/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright (c) 2012 by Frederik Wessels. All rights reserved.
* Copyright (c) 2012 by Cyril Plisko. All rights reserved.
+ * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
+ * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
+ * Copyright (c) 2017 Datto Inc.
*/
#include <assert.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
-#include <priv.h>
#include <pwd.h>
#include <zone.h>
+#include <sys/wait.h>
#include <zfs_prop.h>
#include <sys/fs/zfs.h>
#include <sys/stat.h>
+#include <sys/systeminfo.h>
+#include <sys/fm/fs/zfs.h>
#include <sys/fm/util.h>
#include <sys/fm/protocol.h>
#include <sys/zfs_ioctl.h>
+#include <sys/mount.h>
+#include <math.h>
#include <libzfs.h>
static int zpool_do_get(int, char **);
static int zpool_do_set(int, char **);
+static int zpool_do_sync(int, char **);
+
/*
* These libumem hooks provide a reasonable set of defaults for the allocator's
* debugging facilities.
HELP_GET,
HELP_SET,
HELP_SPLIT,
+ HELP_SYNC,
HELP_REGUID,
HELP_REOPEN
} zpool_help_t;
+/*
+ * Flags for stats to display with "zpool iostats"
+ */
+enum iostat_type {
+ IOS_DEFAULT = 0,
+ IOS_LATENCY = 1,
+ IOS_QUEUES = 2,
+ IOS_L_HISTO = 3,
+ IOS_RQ_HISTO = 4,
+ IOS_COUNT, /* always last element */
+};
+
+/* iostat_type entries as bitmasks */
+#define IOS_DEFAULT_M (1ULL << IOS_DEFAULT)
+#define IOS_LATENCY_M (1ULL << IOS_LATENCY)
+#define IOS_QUEUES_M (1ULL << IOS_QUEUES)
+#define IOS_L_HISTO_M (1ULL << IOS_L_HISTO)
+#define IOS_RQ_HISTO_M (1ULL << IOS_RQ_HISTO)
+
+/* Mask of all the histo bits */
+#define IOS_ANYHISTO_M (IOS_L_HISTO_M | IOS_RQ_HISTO_M)
+
+/*
+ * Lookup table for iostat flags to nvlist names. Basically a list
+ * of all the nvlists a flag requires. Also specifies the order in
+ * which data gets printed in zpool iostat.
+ */
+static const char *vsx_type_to_nvlist[IOS_COUNT][11] = {
+ [IOS_L_HISTO] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
+ NULL},
+ [IOS_LATENCY] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ NULL},
+ [IOS_QUEUES] = {
+ ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
+ NULL},
+ [IOS_RQ_HISTO] = {
+ ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_IND_W_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_IND_R_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO,
+ ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO,
+ ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO,
+ NULL},
+};
+
+
+/*
+ * Given a cb->cb_flags with a histogram bit set, return the iostat_type.
+ * Right now, only one histo bit is ever set at one time, so we can
+ * just do a highbit64(a)
+ */
+#define IOS_HISTO_IDX(a) (highbit64(a & IOS_ANYHISTO_M) - 1)
+
typedef struct zpool_command {
const char *name;
int (*func)(int, char **);
{ NULL },
{ "get", zpool_do_get, HELP_GET },
{ "set", zpool_do_set, HELP_SET },
+ { "sync", zpool_do_sync, HELP_SYNC },
};
-#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
+#define NCOMMAND (ARRAY_SIZE(command_table))
static zpool_command_t *current_command;
static char history_str[HIS_MAX_RECORD_LEN];
static uint_t timestamp_fmt = NODATE;
static const char *
-get_usage(zpool_help_t idx) {
+get_usage(zpool_help_t idx)
+{
switch (idx) {
case HELP_ADD:
- return (gettext("\tadd [-fn] [-o property=value] "
+ return (gettext("\tadd [-fgLnP] [-o property=value] "
"<pool> <vdev> ...\n"));
case HELP_ATTACH:
return (gettext("\tattach [-f] [-o property=value] "
case HELP_DETACH:
return (gettext("\tdetach <pool> <device>\n"));
case HELP_EXPORT:
- return (gettext("\texport [-f] <pool> ...\n"));
+ return (gettext("\texport [-af] <pool> ...\n"));
case HELP_HISTORY:
return (gettext("\thistory [-il] [<pool>] ...\n"));
case HELP_IMPORT:
return (gettext("\timport [-d dir] [-D]\n"
- "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n"
+ "\timport [-d dir | -c cachefile] [-F [-n]] [-l] "
+ "<pool | id>\n"
"\timport [-o mntopts] [-o property=value] ... \n"
- "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
+ "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
"[-R root] [-F [-n]] -a\n"
"\timport [-o mntopts] [-o property=value] ... \n"
- "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
+ "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
"[-R root] [-F [-n]]\n"
"\t <pool | id> [newpool]\n"));
case HELP_IOSTAT:
- return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval "
- "[count]]\n"));
+ return (gettext("\tiostat [[[-c [script1,script2,...]"
+ "[-lq]]|[-rw]] [-T d | u] [-ghHLpPvy]\n"
+ "\t [[pool ...]|[pool vdev ...]|[vdev ...]]"
+ " [interval [count]]\n"));
case HELP_LABELCLEAR:
return (gettext("\tlabelclear [-f] <vdev>\n"));
case HELP_LIST:
- return (gettext("\tlist [-Hv] [-o property[,...]] "
+ return (gettext("\tlist [-gHLpPv] [-o property[,...]] "
"[-T d|u] [pool] ... [interval [count]]\n"));
case HELP_OFFLINE:
- return (gettext("\toffline [-t] <pool> <device> ...\n"));
+ return (gettext("\toffline [-f] [-t] <pool> <device> ...\n"));
case HELP_ONLINE:
return (gettext("\tonline <pool> <device> ...\n"));
case HELP_REPLACE:
- return (gettext("\treplace [-f] <pool> <device> "
- "[new-device]\n"));
+ return (gettext("\treplace [-f] [-o property=value] "
+ "<pool> <device> [new-device]\n"));
case HELP_REMOVE:
return (gettext("\tremove <pool> <device> ...\n"));
case HELP_REOPEN:
return (gettext("\treopen <pool>\n"));
case HELP_SCRUB:
- return (gettext("\tscrub [-s] <pool> ...\n"));
+ return (gettext("\tscrub [-s | -p] <pool> ...\n"));
case HELP_STATUS:
- return (gettext("\tstatus [-vxD] [-T d|u] [pool] ... [interval "
- "[count]]\n"));
+ return (gettext("\tstatus [-c [script1,script2,...]] [-gLPvxD]"
+ "[-T d|u] [pool] ... [interval [count]]\n"));
case HELP_UPGRADE:
return (gettext("\tupgrade\n"
"\tupgrade -v\n"
case HELP_EVENTS:
return (gettext("\tevents [-vHfc]\n"));
case HELP_GET:
- return (gettext("\tget [-p] <\"all\" | property[,...]> "
- "<pool> ...\n"));
+ return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
+ "<\"all\" | property[,...]> <pool> ...\n"));
case HELP_SET:
return (gettext("\tset <property=value> <pool> \n"));
case HELP_SPLIT:
- return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n"
+ return (gettext("\tsplit [-gLnPl] [-R altroot] [-o mntopts]\n"
"\t [-o property=value] <pool> <newpool> "
"[<device> ...]\n"));
case HELP_REGUID:
return (gettext("\treguid <pool>\n"));
+ case HELP_SYNC:
+ return (gettext("\tsync [pool] ...\n"));
}
abort();
void
print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
- boolean_t print_logs)
+ boolean_t print_logs, int name_flags)
{
nvlist_t **child;
uint_t c, children;
if ((is_log && !print_logs) || (!is_log && print_logs))
continue;
- vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
+ vname = zpool_vdev_name(g_zfs, zhp, child[c], name_flags);
print_vdev_tree(zhp, vname, child[c], indent + 2,
- B_FALSE);
+ B_FALSE, name_flags);
free(vname);
}
}
}
/*
- * zpool add [-fn] [-o property=value] <pool> <vdev> ...
+ * Set a default property pair (name, string-value) in a property nvlist
+ */
+static int
+add_prop_list_default(const char *propname, char *propval, nvlist_t **props,
+ boolean_t poolprop)
+{
+ char *pval;
+
+ if (nvlist_lookup_string(*props, propname, &pval) == 0)
+ return (0);
+
+ return (add_prop_list(propname, propval, props, B_TRUE));
+}
+
+/*
+ * zpool add [-fgLnP] [-o property=value] <pool> <vdev> ...
*
* -f Force addition of devices, even if they appear in use
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
* -n Do not add the devices, but display the resulting layout if
* they were to be added.
* -o Set property=value.
+ * -P Display full path for vdev name.
*
* Adds the given vdevs to 'pool'. As with create, the bulk of this work is
* handled by get_vdev_spec(), which constructs the nvlist needed to pass to
{
boolean_t force = B_FALSE;
boolean_t dryrun = B_FALSE;
+ int name_flags = 0;
int c;
nvlist_t *nvroot;
char *poolname;
char *propval;
/* check options */
- while ((c = getopt(argc, argv, "fno:")) != -1) {
+ while ((c = getopt(argc, argv, "fgLno:P")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
break;
+ case 'g':
+ name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
case 'n':
dryrun = B_TRUE;
break;
(add_prop_list(optarg, propval, &props, B_TRUE)))
usage(B_FALSE);
break;
+ case 'P':
+ name_flags |= VDEV_NAME_PATH;
+ break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
return (1);
}
+ /* unless manually specified use "ashift" pool property (if set) */
+ if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
+ int intval;
+ zprop_source_t src;
+ char strval[ZPOOL_MAXPROPLEN];
+
+ intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
+ if (src != ZPROP_SRC_DEFAULT) {
+ (void) sprintf(strval, "%" PRId32, intval);
+ verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
+ &props, B_TRUE) == 0);
+ }
+ }
+
/* pass off to get_vdev_spec for processing */
nvroot = make_root_vdev(zhp, props, force, !force, B_FALSE, dryrun,
argc, argv);
if (dryrun) {
nvlist_t *poolnvroot;
+ nvlist_t **l2child;
+ uint_t l2children, c;
+ char *vname;
+ boolean_t hadcache = B_FALSE;
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&poolnvroot) == 0);
"configuration:\n"), zpool_get_name(zhp));
/* print original main pool and new tree */
- print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE);
- print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE);
+ print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE,
+ name_flags);
+ print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE, name_flags);
/* Do the same for the logs */
if (num_logs(poolnvroot) > 0) {
- print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE);
- print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE);
+ print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE,
+ name_flags);
+ print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE,
+ name_flags);
} else if (num_logs(nvroot) > 0) {
- print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE);
+ print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE,
+ name_flags);
+ }
+
+ /* Do the same for the caches */
+ if (nvlist_lookup_nvlist_array(poolnvroot, ZPOOL_CONFIG_L2CACHE,
+ &l2child, &l2children) == 0 && l2children) {
+ hadcache = B_TRUE;
+ (void) printf(gettext("\tcache\n"));
+ for (c = 0; c < l2children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL,
+ l2child[c], name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
+ }
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
+ &l2child, &l2children) == 0 && l2children) {
+ if (!hadcache)
+ (void) printf(gettext("\tcache\n"));
+ for (c = 0; c < l2children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL,
+ l2child[c], name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
}
ret = 0;
{
char *poolname;
int i, ret = 0;
- zpool_handle_t *zhp;
+ zpool_handle_t *zhp = NULL;
argc--;
argv++;
if (zpool_vdev_remove(zhp, argv[i]) != 0)
ret = 1;
}
+ zpool_close(zhp);
return (ret);
}
/*
- * zpool labelclear <vdev>
+ * zpool labelclear [-f] <vdev>
+ *
+ * -f Force clearing the label for the vdevs which are members of
+ * the exported or foreign pools.
*
* Verifies that the vdev is not active and zeros out the label information
* on the device.
int
zpool_do_labelclear(int argc, char **argv)
{
- char *vdev, *name;
+ char vdev[MAXPATHLEN];
+ char *name = NULL;
+ struct stat st;
int c, fd = -1, ret = 0;
+ nvlist_t *config;
pool_state_t state;
boolean_t inuse = B_FALSE;
boolean_t force = B_FALSE;
/* get vdev name */
if (argc < 1) {
- (void) fprintf(stderr, gettext("missing vdev device name\n"));
+ (void) fprintf(stderr, gettext("missing vdev name\n"));
+ usage(B_FALSE);
+ }
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
usage(B_FALSE);
}
- vdev = argv[0];
+ /*
+ * Check if we were given absolute path and use it as is.
+ * Otherwise if the provided vdev name doesn't point to a file,
+ * try prepending expected disk paths and partition numbers.
+ */
+ (void) strlcpy(vdev, argv[0], sizeof (vdev));
+ if (vdev[0] != '/' && stat(vdev, &st) != 0) {
+ int error;
+
+ error = zfs_resolve_shortname(argv[0], vdev, MAXPATHLEN);
+ if (error == 0 && zfs_dev_is_whole_disk(vdev)) {
+ if (zfs_append_partition(vdev, MAXPATHLEN) == -1)
+ error = ENOENT;
+ }
+
+ if (error || (stat(vdev, &st) != 0)) {
+ (void) fprintf(stderr, gettext(
+ "failed to find device %s, try specifying absolute "
+ "path instead\n"), argv[0]);
+ return (1);
+ }
+ }
+
if ((fd = open(vdev, O_RDWR)) < 0) {
- (void) fprintf(stderr, gettext("Unable to open %s\n"), vdev);
- return (B_FALSE);
+ (void) fprintf(stderr, gettext("failed to open %s: %s\n"),
+ vdev, strerror(errno));
+ return (1);
}
- name = NULL;
- if (zpool_in_use(g_zfs, fd, &state, &name, &inuse) != 0) {
- if (force)
- goto wipe_label;
+ if (ioctl(fd, BLKFLSBUF) != 0)
+ (void) fprintf(stderr, gettext("failed to invalidate "
+ "cache for %s: %s\n"), vdev, strerror(errno));
+ if (zpool_read_label(fd, &config, NULL) != 0 || config == NULL) {
(void) fprintf(stderr,
- gettext("Unable to determine pool state for %s\n"
- "Use -f to force the clearing any label data\n"), vdev);
-
+ gettext("failed to check state for %s\n"), vdev);
return (1);
}
+ nvlist_free(config);
- if (inuse) {
- switch (state) {
- default:
- case POOL_STATE_ACTIVE:
- case POOL_STATE_SPARE:
- case POOL_STATE_L2CACHE:
- (void) fprintf(stderr,
- gettext("labelclear operation failed.\n"
- "\tVdev %s is a member (%s), of pool \"%s\".\n"
- "\tTo remove label information from this device, "
- "export or destroy\n\tthe pool, or remove %s from "
- "the configuration of this pool\n\tand retry the "
- "labelclear operation.\n"),
- vdev, zpool_pool_state_to_name(state), name, vdev);
- ret = 1;
- goto errout;
-
- case POOL_STATE_EXPORTED:
- if (force)
- break;
+ ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse);
+ if (ret != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to check state for %s\n"), vdev);
+ return (1);
+ }
- (void) fprintf(stderr,
- gettext("labelclear operation failed.\n\tVdev "
- "%s is a member of the exported pool \"%s\".\n"
- "\tUse \"zpool labelclear -f %s\" to force the "
- "removal of label\n\tinformation.\n"),
- vdev, name, vdev);
- ret = 1;
- goto errout;
+ if (!inuse)
+ goto wipe_label;
- case POOL_STATE_POTENTIALLY_ACTIVE:
- if (force)
- break;
+ switch (state) {
+ default:
+ case POOL_STATE_ACTIVE:
+ case POOL_STATE_SPARE:
+ case POOL_STATE_L2CACHE:
+ (void) fprintf(stderr, gettext(
+ "%s is a member (%s) of pool \"%s\"\n"),
+ vdev, zpool_pool_state_to_name(state), name);
+ ret = 1;
+ goto errout;
- (void) fprintf(stderr,
- gettext("labelclear operation failed.\n"
- "\tVdev %s is a member of the pool \"%s\".\n"
- "\tThis pool is unknown to this system, but may "
- "be active on\n\tanother system. Use "
- "\'zpool labelclear -f %s\' to force the\n"
- "\tremoval of label information.\n"),
- vdev, name, vdev);
- ret = 1;
- goto errout;
+ case POOL_STATE_EXPORTED:
+ if (force)
+ break;
+ (void) fprintf(stderr, gettext(
+ "use '-f' to override the following error:\n"
+ "%s is a member of exported pool \"%s\"\n"),
+ vdev, name);
+ ret = 1;
+ goto errout;
- case POOL_STATE_DESTROYED:
- /* inuse should never be set for a destroyed pool... */
+ case POOL_STATE_POTENTIALLY_ACTIVE:
+ if (force)
break;
- }
+ (void) fprintf(stderr, gettext(
+ "use '-f' to override the following error:\n"
+ "%s is a member of potentially active pool \"%s\"\n"),
+ vdev, name);
+ ret = 1;
+ goto errout;
+
+ case POOL_STATE_DESTROYED:
+ /* inuse should never be set for a destroyed pool */
+ assert(0);
+ break;
}
wipe_label:
- if (zpool_clear_label(fd) != 0) {
+ ret = zpool_clear_label(fd);
+ if (ret != 0) {
(void) fprintf(stderr,
- gettext("Label clear failed on vdev %s\n"), vdev);
- ret = 1;
+ gettext("failed to clear label for %s\n"), vdev);
}
errout:
- close(fd);
- if (name != NULL)
- free(name);
+ free(name);
+ (void) close(fd);
return (ret);
}
* -m Set default mountpoint for the root dataset. By default it's
* '/<pool>'
* -o Set property=value.
+ * -o Set feature@feature=enabled|disabled.
* -d Don't automatically enable all supported pool features
* (individual features can be enabled with -o).
* -O Set fsproperty=value in the pool's root file system
int c;
nvlist_t *nvroot = NULL;
char *poolname;
+ char *tname = NULL;
int ret = 1;
char *altroot = NULL;
char *mountpoint = NULL;
char *propval;
/* check options */
- while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) {
+ while ((c = getopt(argc, argv, ":fndR:m:o:O:t:")) != -1) {
switch (c) {
case 'f':
force = B_TRUE;
if (add_prop_list(zpool_prop_to_name(
ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
goto errout;
- if (nvlist_lookup_string(props,
- zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
- &propval) == 0)
- break;
- if (add_prop_list(zpool_prop_to_name(
+ if (add_prop_list_default(zpool_prop_to_name(
ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
goto errout;
break;
enable_all_pool_feat = B_FALSE;
}
}
+ if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT)
+ altroot = propval;
break;
case 'O':
if ((propval = strchr(optarg, '=')) == NULL) {
goto errout;
}
break;
+ case 't':
+ /*
+ * Sanity check temporary pool name.
+ */
+ if (strchr(optarg, '/') != NULL) {
+ (void) fprintf(stderr, gettext("cannot create "
+ "'%s': invalid character '/' in temporary "
+ "name\n"), optarg);
+ (void) fprintf(stderr, gettext("use 'zfs "
+ "create' to create a dataset\n"));
+ goto errout;
+ }
+
+ if (add_prop_list(zpool_prop_to_name(
+ ZPOOL_PROP_TNAME), optarg, &props, B_TRUE))
+ goto errout;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto errout;
+ tname = optarg;
+ break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
(void) printf(gettext("would create '%s' with the "
"following layout:\n\n"), poolname);
- print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE);
+ print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE, 0);
if (num_logs(nvroot) > 0)
- print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE);
+ print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE, 0);
ret = 0;
} else {
/*
* Hand off to libzfs.
*/
- if (enable_all_pool_feat) {
- int i;
- for (i = 0; i < SPA_FEATURES; i++) {
- char propname[MAXPATHLEN];
- zfeature_info_t *feat = &spa_feature_table[i];
-
- (void) snprintf(propname, sizeof (propname),
- "feature@%s", feat->fi_uname);
+ spa_feature_t i;
+ for (i = 0; i < SPA_FEATURES; i++) {
+ char propname[MAXPATHLEN];
+ char *propval;
+ zfeature_info_t *feat = &spa_feature_table[i];
- /*
- * Skip feature if user specified it manually
- * on the command line.
- */
- if (nvlist_exists(props, propname))
- continue;
+ (void) snprintf(propname, sizeof (propname),
+ "feature@%s", feat->fi_uname);
+ /*
+ * Only features contained in props will be enabled:
+ * remove from the nvlist every ZFS_FEATURE_DISABLED
+ * value and add every missing ZFS_FEATURE_ENABLED if
+ * enable_all_pool_feat is set.
+ */
+ if (!nvlist_lookup_string(props, propname, &propval)) {
+ if (strcmp(propval, ZFS_FEATURE_DISABLED) == 0)
+ (void) nvlist_remove_all(props,
+ propname);
+ } else if (enable_all_pool_feat) {
ret = add_prop_list(propname,
ZFS_FEATURE_ENABLED, &props, B_TRUE);
if (ret != 0)
ret = 1;
if (zpool_create(g_zfs, poolname,
nvroot, props, fsprops) == 0) {
- zfs_handle_t *pool = zfs_open(g_zfs, poolname,
- ZFS_TYPE_FILESYSTEM);
+ zfs_handle_t *pool = zfs_open(g_zfs,
+ tname ? tname : poolname, ZFS_TYPE_FILESYSTEM);
if (pool != NULL) {
if (zfs_mount(pool, NULL, 0) == 0)
ret = zfs_shareall(pool);
if (zpool_disable_datasets(zhp, force) != 0) {
(void) fprintf(stderr, gettext("could not destroy '%s': "
"could not unmount datasets\n"), zpool_get_name(zhp));
+ zpool_close(zhp);
return (1);
}
return (ret);
}
+typedef struct export_cbdata {
+ boolean_t force;
+ boolean_t hardforce;
+} export_cbdata_t;
+
+/*
+ * Export one pool
+ */
+int
+zpool_export_one(zpool_handle_t *zhp, void *data)
+{
+ export_cbdata_t *cb = data;
+
+ if (zpool_disable_datasets(zhp, cb->force) != 0)
+ return (1);
+
+ /* The history must be logged as part of the export */
+ log_history = B_FALSE;
+
+ if (cb->hardforce) {
+ if (zpool_export_force(zhp, history_str) != 0)
+ return (1);
+ } else if (zpool_export(zhp, cb->force, history_str) != 0) {
+ return (1);
+ }
+
+ return (0);
+}
+
/*
* zpool export [-f] <pool> ...
*
+ * -a Export all pools
* -f Forcefully unmount datasets
*
* Export the given pools. By default, the command will attempt to cleanly
int
zpool_do_export(int argc, char **argv)
{
+ export_cbdata_t cb;
+ boolean_t do_all = B_FALSE;
boolean_t force = B_FALSE;
boolean_t hardforce = B_FALSE;
- int c;
- zpool_handle_t *zhp;
- int ret;
- int i;
+ int c, ret;
/* check options */
- while ((c = getopt(argc, argv, "fF")) != -1) {
+ while ((c = getopt(argc, argv, "afF")) != -1) {
switch (c) {
+ case 'a':
+ do_all = B_TRUE;
+ break;
case 'f':
force = B_TRUE;
break;
}
}
+ cb.force = force;
+ cb.hardforce = hardforce;
argc -= optind;
argv += optind;
+ if (do_all) {
+ if (argc != 0) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ return (for_each_pool(argc, argv, B_TRUE, NULL,
+ zpool_export_one, &cb));
+ }
+
/* check arguments */
if (argc < 1) {
(void) fprintf(stderr, gettext("missing pool argument\n"));
usage(B_FALSE);
}
- ret = 0;
- for (i = 0; i < argc; i++) {
- if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) {
- ret = 1;
- continue;
- }
-
- if (zpool_disable_datasets(zhp, force) != 0) {
- ret = 1;
- zpool_close(zhp);
- continue;
- }
-
- /* The history must be logged as part of the export */
- log_history = B_FALSE;
-
- if (hardforce) {
- if (zpool_export_force(zhp, history_str) != 0)
- ret = 1;
- } else if (zpool_export(zhp, force, history_str) != 0) {
- ret = 1;
- }
-
- zpool_close(zhp);
- }
+ ret = for_each_pool(argc, argv, B_TRUE, NULL, zpool_export_one, &cb);
return (ret);
}
* name column.
*/
static int
-max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max)
+max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max,
+ int name_flags)
{
- char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE);
+ char *name;
nvlist_t **child;
uint_t c, children;
int ret;
+ name = zpool_vdev_name(g_zfs, zhp, nv, name_flags);
if (strlen(name) + depth > max)
max = strlen(name) + depth;
&child, &children) == 0) {
for (c = 0; c < children; c++)
if ((ret = max_width(zhp, child[c], depth + 2,
- max)) > max)
+ max, name_flags)) > max)
max = ret;
}
&child, &children) == 0) {
for (c = 0; c < children; c++)
if ((ret = max_width(zhp, child[c], depth + 2,
- max)) > max)
+ max, name_flags)) > max)
max = ret;
}
&child, &children) == 0) {
for (c = 0; c < children; c++)
if ((ret = max_width(zhp, child[c], depth + 2,
- max)) > max)
+ max, name_flags)) > max)
max = ret;
}
-
return (max);
}
return (0);
}
+typedef struct status_cbdata {
+ int cb_count;
+ int cb_name_flags;
+ int cb_namewidth;
+ boolean_t cb_allpools;
+ boolean_t cb_verbose;
+ boolean_t cb_explain;
+ boolean_t cb_first;
+ boolean_t cb_dedup_stats;
+ boolean_t cb_print_status;
+ vdev_cmd_data_list_t *vcdl;
+} status_cbdata_t;
+
+/* Return 1 if string is NULL, empty, or whitespace; return 0 otherwise. */
+static int
+is_blank_str(char *str)
+{
+ while (str != NULL && *str != '\0') {
+ if (!isblank(*str))
+ return (0);
+ str++;
+ }
+ return (1);
+}
+
+/* Print command output lines for specific vdev in a specific pool */
+static void
+zpool_print_cmd(vdev_cmd_data_list_t *vcdl, const char *pool, char *path)
+{
+ vdev_cmd_data_t *data;
+ int i, j;
+ char *val;
+
+ for (i = 0; i < vcdl->count; i++) {
+ if ((strcmp(vcdl->data[i].path, path) != 0) ||
+ (strcmp(vcdl->data[i].pool, pool) != 0)) {
+ /* Not the vdev we're looking for */
+ continue;
+ }
+
+ data = &vcdl->data[i];
+ /* Print out all the output values for this vdev */
+ for (j = 0; j < vcdl->uniq_cols_cnt; j++) {
+ val = NULL;
+ /* Does this vdev have values for this column? */
+ for (int k = 0; k < data->cols_cnt; k++) {
+ if (strcmp(data->cols[k],
+ vcdl->uniq_cols[j]) == 0) {
+ /* yes it does, record the value */
+ val = data->lines[k];
+ break;
+ }
+ }
+ /*
+ * Mark empty values with dashes to make output
+ * awk-able.
+ */
+ if (is_blank_str(val))
+ val = "-";
+
+ printf("%*s", vcdl->uniq_cols_width[j], val);
+ if (j < vcdl->uniq_cols_cnt - 1)
+ printf(" ");
+ }
+
+ /* Print out any values that aren't in a column at the end */
+ for (j = data->cols_cnt; j < data->lines_cnt; j++) {
+ /* Did we have any columns? If so print a spacer. */
+ if (vcdl->uniq_cols_cnt > 0)
+ printf(" ");
+
+ val = data->lines[j];
+ printf("%s", val ? val : "");
+ }
+ break;
+ }
+}
+
/*
* Print out configuration state as requested by status_callback.
*/
-void
-print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
- int namewidth, int depth, boolean_t isspare)
+static void
+print_status_config(zpool_handle_t *zhp, status_cbdata_t *cb, const char *name,
+ nvlist_t *nv, int depth, boolean_t isspare)
{
nvlist_t **child;
uint_t c, children;
char rbuf[6], wbuf[6], cbuf[6];
char *vname;
uint64_t notpresent;
- spare_cbdata_t cb;
+ spare_cbdata_t spare_cb;
char *state;
+ char *path = NULL;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0)
state = "AVAIL";
}
- (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth,
+ (void) printf("\t%*s%-*s %-8s", depth, "", cb->cb_namewidth - depth,
name, state);
if (!isspare) {
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
¬present) == 0) {
- char *path;
verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
(void) printf(" was %s", path);
} else if (vs->vs_aux != 0) {
case VDEV_AUX_SPARED:
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
- &cb.cb_guid) == 0);
- if (zpool_iter(g_zfs, find_spare, &cb) == 1) {
- if (strcmp(zpool_get_name(cb.cb_zhp),
+ &spare_cb.cb_guid) == 0);
+ if (zpool_iter(g_zfs, find_spare, &spare_cb) == 1) {
+ if (strcmp(zpool_get_name(spare_cb.cb_zhp),
zpool_get_name(zhp)) == 0)
(void) printf(gettext("currently in "
"use"));
else
(void) printf(gettext("in use by "
"pool '%s'"),
- zpool_get_name(cb.cb_zhp));
- zpool_close(cb.cb_zhp);
+ zpool_get_name(spare_cb.cb_zhp));
+ zpool_close(spare_cb.cb_zhp);
} else {
(void) printf(gettext("currently in use"));
}
(void) printf(gettext("split into new pool"));
break;
+ case VDEV_AUX_ACTIVE:
+ (void) printf(gettext("currently in use"));
+ break;
+
default:
(void) printf(gettext("corrupted data"));
break;
"resilvering" : "repairing");
}
+ if (cb->vcdl != NULL) {
+ if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
+ printf(" ");
+ zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
+ }
+ }
+
(void) printf("\n");
for (c = 0; c < children; c++) {
&ishole);
if (islog || ishole)
continue;
- vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
- print_status_config(zhp, vname, child[c],
- namewidth, depth + 2, isspare);
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ print_status_config(zhp, cb, vname, child[c], depth + 2,
+ isspare);
free(vname);
}
}
-
/*
* Print the configuration of an exported pool. Iterate over all vdevs in the
* pool, printing out the name and status for each one.
*/
-void
-print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth)
+static void
+print_import_config(status_cbdata_t *cb, const char *name, nvlist_t *nv,
+ int depth)
{
nvlist_t **child;
uint_t c, children;
verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
(uint64_t **)&vs, &c) == 0);
- (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name);
+ (void) printf("\t%*s%-*s", depth, "", cb->cb_namewidth - depth, name);
(void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
if (vs->vs_aux != 0) {
(void) printf(gettext("too many errors"));
break;
+ case VDEV_AUX_ACTIVE:
+ (void) printf(gettext("currently in use"));
+ break;
+
default:
(void) printf(gettext("corrupted data"));
break;
if (is_log)
continue;
- vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE);
- print_import_config(vname, child[c], namewidth, depth + 2);
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ print_import_config(cb, vname, child[c], depth + 2);
free(vname);
}
&child, &children) == 0) {
(void) printf(gettext("\tcache\n"));
for (c = 0; c < children; c++) {
- vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags);
(void) printf("\t %s\n", vname);
free(vname);
}
&child, &children) == 0) {
(void) printf(gettext("\tspares\n"));
for (c = 0; c < children; c++) {
- vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags);
(void) printf("\t %s\n", vname);
free(vname);
}
* works because only the top level vdev is marked "is_log"
*/
static void
-print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose)
+print_logs(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t *nv)
{
uint_t c, children;
nvlist_t **child;
&is_log);
if (!is_log)
continue;
- name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
- if (verbose)
- print_status_config(zhp, name, child[c], namewidth,
- 2, B_FALSE);
+ name = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ if (cb->cb_print_status)
+ print_status_config(zhp, cb, name, child[c], 2,
+ B_FALSE);
else
- print_import_config(name, child[c], namewidth, 2);
+ print_import_config(cb, name, child[c], 2);
free(name);
}
}
vdev_stat_t *vs;
char *name;
uint64_t guid;
+ uint64_t hostid = 0;
char *msgid;
- nvlist_t *nvroot;
+ char *hostname = "unknown";
+ nvlist_t *nvroot, *nvinfo;
zpool_status_t reason;
zpool_errata_t errata;
const char *health;
uint_t vsc;
- int namewidth;
char *comment;
+ status_cbdata_t cb = { 0 };
verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
&name) == 0);
case ZPOOL_STATUS_UNSUP_FEAT_READ:
(void) printf(gettext("status: The pool uses the following "
- "feature(s) not supported on this sytem:\n"));
+ "feature(s) not supported on this system:\n"));
zpool_print_unsup_feat(config);
break;
zpool_print_unsup_feat(config);
break;
+ case ZPOOL_STATUS_HOSTID_ACTIVE:
+ (void) printf(gettext(" status: The pool is currently "
+ "imported by another system.\n"));
+ break;
+
+ case ZPOOL_STATUS_HOSTID_REQUIRED:
+ (void) printf(gettext(" status: The pool has the "
+ "multihost property on. It cannot\n\tbe safely imported "
+ "when the system hostid is not set.\n"));
+ break;
+
case ZPOOL_STATUS_HOSTID_MISMATCH:
(void) printf(gettext(" status: The pool was last accessed by "
"another system.\n"));
"imported. Attach the missing\n\tdevices and try "
"again.\n"));
break;
+ case ZPOOL_STATUS_HOSTID_ACTIVE:
+ VERIFY0(nvlist_lookup_nvlist(config,
+ ZPOOL_CONFIG_LOAD_INFO, &nvinfo));
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
+ hostname = fnvlist_lookup_string(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTNAME);
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
+ hostid = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTID);
+
+ (void) printf(gettext(" action: The pool must be "
+ "exported from %s (hostid=%lx)\n\tbefore it "
+ "can be safely imported.\n"), hostname,
+ (unsigned long) hostid);
+ break;
+ case ZPOOL_STATUS_HOSTID_REQUIRED:
+ (void) printf(gettext(" action: Set a unique system "
+ "hostid with the zgenhostid(8) command.\n"));
+ break;
default:
(void) printf(gettext(" action: The pool cannot be "
"imported due to damaged devices or data.\n"));
(void) printf(gettext(" config:\n\n"));
- namewidth = max_width(NULL, nvroot, 0, 0);
- if (namewidth < 10)
- namewidth = 10;
+ cb.cb_namewidth = max_width(NULL, nvroot, 0, 0, VDEV_NAME_TYPE_ID);
+ if (cb.cb_namewidth < 10)
+ cb.cb_namewidth = 10;
- print_import_config(name, nvroot, namewidth, 0);
+ print_import_config(&cb, name, nvroot, 0);
if (num_logs(nvroot) > 0)
- print_logs(NULL, nvroot, namewidth, B_FALSE);
+ print_logs(NULL, &cb, nvroot);
if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
(void) printf(gettext("\n\tAdditional devices are known to "
}
}
+static boolean_t
+zfs_force_import_required(nvlist_t *config)
+{
+ uint64_t state;
+ uint64_t hostid = 0;
+ nvlist_t *nvinfo;
+
+ state = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE);
+ (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, &hostid);
+
+ if (state != POOL_STATE_EXPORTED && hostid != get_system_hostid())
+ return (B_TRUE);
+
+ nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE)) {
+ mmp_state_t mmp_state = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_STATE);
+
+ if (mmp_state != MMP_STATE_INACTIVE)
+ return (B_TRUE);
+ }
+
+ return (B_FALSE);
+}
+
/*
* Perform the import for the given configuration. This passes the heavy
* lifting off to zpool_import_props(), and then mounts the datasets contained
do_import(nvlist_t *config, const char *newname, const char *mntopts,
nvlist_t *props, int flags)
{
+ int ret = 0;
zpool_handle_t *zhp;
char *name;
uint64_t state;
uint64_t version;
- verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
- &name) == 0);
+ name = fnvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME);
+ state = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE);
+ version = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION);
- verify(nvlist_lookup_uint64(config,
- ZPOOL_CONFIG_POOL_STATE, &state) == 0);
- verify(nvlist_lookup_uint64(config,
- ZPOOL_CONFIG_VERSION, &version) == 0);
if (!SPA_VERSION_IS_SUPPORTED(version)) {
(void) fprintf(stderr, gettext("cannot import '%s': pool "
"is formatted using an unsupported ZFS version\n"), name);
return (1);
- } else if (state != POOL_STATE_EXPORTED &&
+ } else if (zfs_force_import_required(config) &&
!(flags & ZFS_IMPORT_ANY_HOST)) {
- uint64_t hostid;
-
- if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
- &hostid) == 0) {
- unsigned long system_hostid = gethostid() & 0xffffffff;
-
- if ((unsigned long)hostid != system_hostid) {
- char *hostname;
- uint64_t timestamp;
- time_t t;
-
- verify(nvlist_lookup_string(config,
- ZPOOL_CONFIG_HOSTNAME, &hostname) == 0);
- verify(nvlist_lookup_uint64(config,
- ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0);
- t = timestamp;
- (void) fprintf(stderr, gettext("cannot import "
- "'%s': pool may be in use from other "
- "system, it was last accessed by %s "
- "(hostid: 0x%lx) on %s"), name, hostname,
- (unsigned long)hostid,
- asctime(localtime(&t)));
- (void) fprintf(stderr, gettext("use '-f' to "
- "import anyway\n"));
- return (1);
- }
- } else {
- (void) fprintf(stderr, gettext("cannot import '%s': "
- "pool may be in use from other system\n"), name);
- (void) fprintf(stderr, gettext("use '-f' to import "
- "anyway\n"));
- return (1);
- }
- }
+ mmp_state_t mmp_state = MMP_STATE_INACTIVE;
+ nvlist_t *nvinfo;
- if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
- return (1);
+ nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE))
+ mmp_state = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_STATE);
- if (newname != NULL)
- name = (char *)newname;
+ if (mmp_state == MMP_STATE_ACTIVE) {
+ char *hostname = "<unknown>";
+ uint64_t hostid = 0;
- if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
+ hostname = fnvlist_lookup_string(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTNAME);
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
+ hostid = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTID);
+
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "pool is imported on %s (hostid: "
+ "0x%lx)\nExport the pool on the other system, "
+ "then run 'zpool import'.\n"),
+ name, hostname, (unsigned long) hostid);
+ } else if (mmp_state == MMP_STATE_NO_HOSTID) {
+ (void) fprintf(stderr, gettext("Cannot import '%s': "
+ "pool has the multihost property on and the\n"
+ "system's hostid is not set. Set a unique hostid "
+ "with the zgenhostid(8) command.\n"), name);
+ } else {
+ char *hostname = "<unknown>";
+ uint64_t timestamp = 0;
+ uint64_t hostid = 0;
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_HOSTNAME))
+ hostname = fnvlist_lookup_string(config,
+ ZPOOL_CONFIG_HOSTNAME);
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_TIMESTAMP))
+ timestamp = fnvlist_lookup_uint64(config,
+ ZPOOL_CONFIG_TIMESTAMP);
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_HOSTID))
+ hostid = fnvlist_lookup_uint64(config,
+ ZPOOL_CONFIG_HOSTID);
+
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "pool was previously in use from another system.\n"
+ "Last accessed by %s (hostid=%lx) at %s"
+ "The pool can be imported, use 'zpool import -f' "
+ "to import the pool.\n"), name, hostname,
+ (unsigned long)hostid, ctime((time_t *)×tamp));
+ }
+
+ return (1);
+ }
+
+ if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
+ return (1);
+
+ if (newname != NULL)
+ name = (char *)newname;
+
+ if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
return (1);
+ /*
+ * Loading keys is best effort. We don't want to return immediately
+ * if it fails but we do want to give the error to the caller.
+ */
+ if (flags & ZFS_IMPORT_LOAD_KEYS) {
+ ret = zfs_crypto_attempt_load_keys(g_zfs, name);
+ if (ret != 0)
+ ret = 1;
+ }
+
if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
!(flags & ZFS_IMPORT_ONLY) &&
zpool_enable_datasets(zhp, mntopts, 0) != 0) {
}
zpool_close(zhp);
- return (0);
+ return (ret);
}
/*
* zpool import [-d dir] [-D]
- * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
+ * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
* [-d dir | -c cachefile] [-f] -a
- * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
+ * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
* [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool]
*
* -c Read pool information from a cachefile instead of searching
*
* -a Import all pools found.
*
+ * -l Load encryption keys while importing.
+ *
* -o Set property=value and/or temporary mount options (without '=').
*
+ * -s Scan using the default search path, the libblkid cache will
+ * not be consulted.
+ *
* The import command scans for pools to import, and import pools based on pool
* name and GUID. The pool can also be renamed as part of the import process.
*/
boolean_t dryrun = B_FALSE;
boolean_t do_rewind = B_FALSE;
boolean_t xtreme_rewind = B_FALSE;
+ boolean_t do_scan = B_FALSE;
uint64_t pool_state, txg = -1ULL;
char *cachefile = NULL;
importargs_t idata = { 0 };
char *endptr;
/* check options */
- while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:R:tT:VX")) != -1) {
+ while ((c = getopt(argc, argv, ":aCc:d:DEfFlmnNo:R:stT:VX")) != -1) {
switch (c) {
case 'a':
do_all = B_TRUE;
case 'F':
do_rewind = B_TRUE;
break;
+ case 'l':
+ flags |= ZFS_IMPORT_LOAD_KEYS;
+ break;
case 'm':
flags |= ZFS_IMPORT_MISSING_LOG;
break;
if (add_prop_list(zpool_prop_to_name(
ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
goto error;
- if (nvlist_lookup_string(props,
- zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
- &propval) == 0)
- break;
- if (add_prop_list(zpool_prop_to_name(
+ if (add_prop_list_default(zpool_prop_to_name(
ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
goto error;
break;
+ case 's':
+ do_scan = B_TRUE;
+ break;
case 't':
flags |= ZFS_IMPORT_TEMP_NAME;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto error;
break;
case 'T':
errno = 0;
- txg = strtoull(optarg, &endptr, 10);
+ txg = strtoull(optarg, &endptr, 0);
if (errno != 0 || *endptr != '\0') {
(void) fprintf(stderr,
gettext("invalid txg value\n"));
usage(B_FALSE);
}
+ if ((flags & ZFS_IMPORT_LOAD_KEYS) && (flags & ZFS_IMPORT_ONLY)) {
+ (void) fprintf(stderr, gettext("-l is incompatible with -N\n"));
+ usage(B_FALSE);
+ }
+
+ if ((flags & ZFS_IMPORT_LOAD_KEYS) && !do_all && argc == 0) {
+ (void) fprintf(stderr, gettext("-l is only meaningful during "
+ "an import\n"));
+ usage(B_FALSE);
+ }
+
if ((dryrun || xtreme_rewind) && !do_rewind) {
(void) fprintf(stderr,
gettext("-n or -X only meaningful with -F\n"));
(void) fprintf(stderr, gettext("too many arguments\n"));
usage(B_FALSE);
}
+ }
- /*
- * Check for the SYS_CONFIG privilege. We do this explicitly
- * here because otherwise any attempt to discover pools will
- * silently fail.
- */
- if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) {
- (void) fprintf(stderr, gettext("cannot "
- "discover pools: permission denied\n"));
- if (searchdirs != NULL)
- free(searchdirs);
+ /*
+ * Check for the effective uid. We do this explicitly here because
+ * otherwise any attempt to discover pools will silently fail.
+ */
+ if (argc == 0 && geteuid() != 0) {
+ (void) fprintf(stderr, gettext("cannot "
+ "discover pools: permission denied\n"));
+ if (searchdirs != NULL)
+ free(searchdirs);
- nvlist_free(policy);
- return (1);
- }
+ nvlist_free(props);
+ nvlist_free(policy);
+ return (1);
}
/*
errno = 0;
searchguid = strtoull(argv[0], &endptr, 10);
- if (errno != 0 || *endptr != '\0')
+ if (errno != 0 || *endptr != '\0') {
searchname = argv[0];
+ searchguid = 0;
+ }
found_config = NULL;
/*
idata.poolname = searchname;
idata.guid = searchguid;
idata.cachefile = cachefile;
+ idata.scan = do_scan;
pools = zpool_search_import(g_zfs, &idata);
if (envdup != NULL)
free(envdup);
nvlist_free(policy);
+ nvlist_free(pools);
+ nvlist_free(props);
return (1);
}
return (err ? 1 : 0);
}
+/*
+ * zpool sync [-f] [pool] ...
+ *
+ * -f (undocumented) force uberblock (and config including zpool cache file)
+ * update.
+ *
+ * Sync the specified pool(s).
+ * Without arguments "zpool sync" will sync all pools.
+ * This command initiates TXG sync(s) and will return after the TXG(s) commit.
+ *
+ */
+static int
+zpool_do_sync(int argc, char **argv)
+{
+ int ret;
+ boolean_t force = B_FALSE;
+
+ /* check options */
+ while ((ret = getopt(argc, argv, "f")) != -1) {
+ switch (ret) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* if argc == 0 we will execute zpool_sync_one on all pools */
+ ret = for_each_pool(argc, argv, B_FALSE, NULL, zpool_sync_one, &force);
+
+ return (ret);
+}
+
typedef struct iostat_cbdata {
- boolean_t cb_verbose;
+ uint64_t cb_flags;
+ int cb_name_flags;
int cb_namewidth;
int cb_iteration;
+ char **cb_vdev_names; /* Only show these vdevs */
+ unsigned int cb_vdev_names_count;
+ boolean_t cb_verbose;
+ boolean_t cb_literal;
+ boolean_t cb_scripted;
zpool_list_t *cb_list;
+ vdev_cmd_data_list_t *vcdl;
} iostat_cbdata_t;
-static void
-print_iostat_separator(iostat_cbdata_t *cb)
+/* iostat labels */
+typedef struct name_and_columns {
+ const char *name; /* Column name */
+ unsigned int columns; /* Center name to this number of columns */
+} name_and_columns_t;
+
+#define IOSTAT_MAX_LABELS 11 /* Max number of labels on one line */
+
+static const name_and_columns_t iostat_top_labels[][IOSTAT_MAX_LABELS] =
+{
+ [IOS_DEFAULT] = {{"capacity", 2}, {"operations", 2}, {"bandwidth", 2},
+ {NULL}},
+ [IOS_LATENCY] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
+ {"asyncq_wait", 2}, {"scrub"}},
+ [IOS_QUEUES] = {{"syncq_read", 2}, {"syncq_write", 2},
+ {"asyncq_read", 2}, {"asyncq_write", 2}, {"scrubq_read", 2},
+ {NULL}},
+ [IOS_L_HISTO] = {{"total_wait", 2}, {"disk_wait", 2},
+ {"sync_queue", 2}, {"async_queue", 2}, {NULL}},
+ [IOS_RQ_HISTO] = {{"sync_read", 2}, {"sync_write", 2},
+ {"async_read", 2}, {"async_write", 2}, {"scrub", 2}, {NULL}},
+
+};
+
+/* Shorthand - if "columns" field not set, default to 1 column */
+static const name_and_columns_t iostat_bottom_labels[][IOSTAT_MAX_LABELS] =
+{
+ [IOS_DEFAULT] = {{"alloc"}, {"free"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {NULL}},
+ [IOS_LATENCY] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {"read"}, {"write"}, {"wait"}, {NULL}},
+ [IOS_QUEUES] = {{"pend"}, {"activ"}, {"pend"}, {"activ"}, {"pend"},
+ {"activ"}, {"pend"}, {"activ"}, {"pend"}, {"activ"}, {NULL}},
+ [IOS_L_HISTO] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {"read"}, {"write"}, {"scrub"}, {NULL}},
+ [IOS_RQ_HISTO] = {{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
+ {"ind"}, {"agg"}, {"ind"}, {"agg"}, {NULL}},
+};
+
+static const char *histo_to_title[] = {
+ [IOS_L_HISTO] = "latency",
+ [IOS_RQ_HISTO] = "req_size",
+};
+
+/*
+ * Return the number of labels in a null-terminated name_and_columns_t
+ * array.
+ *
+ */
+static unsigned int
+label_array_len(const name_and_columns_t *labels)
{
int i = 0;
- for (i = 0; i < cb->cb_namewidth; i++)
- (void) printf("-");
- (void) printf(" ----- ----- ----- ----- ----- -----\n");
+ while (labels[i].name)
+ i++;
+
+ return (i);
}
-static void
-print_iostat_header(iostat_cbdata_t *cb)
+/*
+ * Return the number of strings in a null-terminated string array.
+ * For example:
+ *
+ * const char foo[] = {"bar", "baz", NULL}
+ *
+ * returns 2
+ */
+static uint64_t
+str_array_len(const char *array[])
{
- (void) printf("%*s capacity operations bandwidth\n",
- cb->cb_namewidth, "");
- (void) printf("%-*s alloc free read write read write\n",
- cb->cb_namewidth, "pool");
- print_iostat_separator(cb);
+ uint64_t i = 0;
+ while (array[i])
+ i++;
+
+ return (i);
}
+
/*
- * Display a single statistic.
+ * Return a default column width for default/latency/queue columns. This does
+ * not include histograms, which have their columns autosized.
*/
-static void
-print_one_stat(uint64_t value)
+static unsigned int
+default_column_width(iostat_cbdata_t *cb, enum iostat_type type)
{
- char buf[64];
+ unsigned long column_width = 5; /* Normal niceprint */
+ static unsigned long widths[] = {
+ /*
+ * Choose some sane default column sizes for printing the
+ * raw numbers.
+ */
+ [IOS_DEFAULT] = 15, /* 1PB capacity */
+ [IOS_LATENCY] = 10, /* 1B ns = 10sec */
+ [IOS_QUEUES] = 6, /* 1M queue entries */
+ };
- zfs_nicenum(value, buf, sizeof (buf));
- (void) printf(" %5s", buf);
+ if (cb->cb_literal)
+ column_width = widths[type];
+
+ return (column_width);
}
/*
- * Print out all the statistics for the given vdev. This can either be the
- * toplevel configuration, or called recursively. If 'name' is NULL, then this
- * is a verbose output, and we don't want to display the toplevel pool stats.
+ * Print the column labels, i.e:
+ *
+ * capacity operations bandwidth
+ * alloc free read write read write ...
+ *
+ * If force_column_width is set, use it for the column width. If not set, use
+ * the default column width.
*/
void
-print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
- nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
+print_iostat_labels(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const name_and_columns_t labels[][IOSTAT_MAX_LABELS])
{
- nvlist_t **oldchild, **newchild;
- uint_t c, children;
- vdev_stat_t *oldvs, *newvs;
- vdev_stat_t zerovs = { 0 };
- uint64_t tdelta;
- double scale;
- char *vname;
+ int i, idx, s;
+ unsigned int text_start, rw_column_width, spaces_to_end;
+ uint64_t flags = cb->cb_flags;
+ uint64_t f;
+ unsigned int column_width = force_column_width;
+
+ /* For each bit set in flags */
+ for (f = flags; f; f &= ~(1ULL << idx)) {
+ idx = lowbit64(f) - 1;
+ if (!force_column_width)
+ column_width = default_column_width(cb, idx);
+ /* Print our top labels centered over "read write" label. */
+ for (i = 0; i < label_array_len(labels[idx]); i++) {
+ const char *name = labels[idx][i].name;
+ /*
+ * We treat labels[][].columns == 0 as shorthand
+ * for one column. It makes writing out the label
+ * tables more concise.
+ */
+ unsigned int columns = MAX(1, labels[idx][i].columns);
+ unsigned int slen = strlen(name);
- if (oldnv != NULL) {
- verify(nvlist_lookup_uint64_array(oldnv,
- ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
- } else {
- oldvs = &zerovs;
- }
+ rw_column_width = (column_width * columns) +
+ (2 * (columns - 1));
- verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
- (uint64_t **)&newvs, &c) == 0);
+ text_start = (int)((rw_column_width)/columns -
+ slen/columns);
- if (strlen(name) + depth > cb->cb_namewidth)
- (void) printf("%*s%s", depth, "", name);
- else
- (void) printf("%*s%s%*s", depth, "", name,
- (int)(cb->cb_namewidth - strlen(name) - depth), "");
+ printf(" "); /* Two spaces between columns */
- tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
+ /* Space from beginning of column to label */
+ for (s = 0; s < text_start; s++)
+ printf(" ");
- if (tdelta == 0)
- scale = 1.0;
- else
- scale = (double)NANOSEC / tdelta;
+ printf("%s", name);
- /* only toplevel vdevs have capacity stats */
- if (newvs->vs_space == 0) {
- (void) printf(" - -");
- } else {
- print_one_stat(newvs->vs_alloc);
- print_one_stat(newvs->vs_space - newvs->vs_alloc);
+ /* Print space after label to end of column */
+ spaces_to_end = rw_column_width - text_start - slen;
+ for (s = 0; s < spaces_to_end; s++)
+ printf(" ");
+
+ }
}
+}
- print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] -
- oldvs->vs_ops[ZIO_TYPE_READ])));
- print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] -
- oldvs->vs_ops[ZIO_TYPE_WRITE])));
+/*
+ * print_cmd_columns - Print custom column titles from -c
+ *
+ * If the user specified the "zpool status|iostat -c" then print their custom
+ * column titles in the header. For example, print_cmd_columns() would print
+ * the " col1 col2" part of this:
+ *
+ * $ zpool iostat -vc 'echo col1=val1; echo col2=val2'
+ * ...
+ * capacity operations bandwidth
+ * pool alloc free read write read write col1 col2
+ * ---------- ----- ----- ----- ----- ----- ----- ---- ----
+ * mypool 269K 1008M 0 0 107 946
+ * mirror 269K 1008M 0 0 107 946
+ * sdb - - 0 0 102 473 val1 val2
+ * sdc - - 0 0 5 473 val1 val2
+ * ---------- ----- ----- ----- ----- ----- ----- ---- ----
+ */
+void
+print_cmd_columns(vdev_cmd_data_list_t *vcdl, int use_dashes)
+{
+ int i, j;
+ vdev_cmd_data_t *data = &vcdl->data[0];
- print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] -
- oldvs->vs_bytes[ZIO_TYPE_READ])));
+ if (vcdl->count == 0 || data == NULL)
+ return;
- print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] -
- oldvs->vs_bytes[ZIO_TYPE_WRITE])));
+ /*
+ * Each vdev cmd should have the same column names unless the user did
+ * something weird with their cmd. Just take the column names from the
+ * first vdev and assume it works for all of them.
+ */
+ for (i = 0; i < vcdl->uniq_cols_cnt; i++) {
+ printf(" ");
+ if (use_dashes) {
+ for (j = 0; j < vcdl->uniq_cols_width[i]; j++)
+ printf("-");
+ } else {
+ printf("%*s", vcdl->uniq_cols_width[i],
+ vcdl->uniq_cols[i]);
+ }
+ }
+}
- (void) printf("\n");
- if (!cb->cb_verbose)
- return;
+/*
+ * Utility function to print out a line of dashes like:
+ *
+ * -------------------------------- ----- ----- ----- ----- -----
+ *
+ * ...or a dashed named-row line like:
+ *
+ * logs - - - - -
+ *
+ * @cb: iostat data
+ *
+ * @force_column_width If non-zero, use the value as the column width.
+ * Otherwise use the default column widths.
+ *
+ * @name: Print a dashed named-row line starting
+ * with @name. Otherwise, print a regular
+ * dashed line.
+ */
+static void
+print_iostat_dashes(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const char *name)
+{
+ int i;
+ unsigned int namewidth;
+ uint64_t flags = cb->cb_flags;
+ uint64_t f;
+ int idx;
+ const name_and_columns_t *labels;
+ const char *title;
- if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
- &newchild, &children) != 0)
- return;
- if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
- &oldchild, &c) != 0)
- return;
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
+ } else if (cb->cb_vdev_names_count) {
+ title = "vdev";
+ } else {
+ title = "pool";
+ }
- for (c = 0; c < children; c++) {
- uint64_t ishole = B_FALSE, islog = B_FALSE;
+ namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
+ name ? strlen(name) : 0);
- (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
- &ishole);
- (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
- &islog);
+ if (name) {
+ printf("%-*s", namewidth, name);
+ } else {
+ for (i = 0; i < namewidth; i++)
+ (void) printf("-");
+ }
- if (ishole || islog)
- continue;
+ /* For each bit in flags */
+ for (f = flags; f; f &= ~(1ULL << idx)) {
+ unsigned int column_width;
+ idx = lowbit64(f) - 1;
+ if (force_column_width)
+ column_width = force_column_width;
+ else
+ column_width = default_column_width(cb, idx);
- vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE);
- print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
- newchild[c], cb, depth + 2);
- free(vname);
+ labels = iostat_bottom_labels[idx];
+ for (i = 0; i < label_array_len(labels); i++) {
+ if (name)
+ printf(" %*s-", column_width - 1, " ");
+ else
+ printf(" %.*s", column_width,
+ "--------------------");
+ }
}
+}
- /*
- * Log device section
- */
- if (num_logs(newnv) > 0) {
- (void) printf("%-*s - - - - - "
- "-\n", cb->cb_namewidth, "logs");
+static void
+print_iostat_separator_impl(iostat_cbdata_t *cb,
+ unsigned int force_column_width)
+{
+ print_iostat_dashes(cb, force_column_width, NULL);
+}
- for (c = 0; c < children; c++) {
- uint64_t islog = B_FALSE;
- (void) nvlist_lookup_uint64(newchild[c],
- ZPOOL_CONFIG_IS_LOG, &islog);
+static void
+print_iostat_separator(iostat_cbdata_t *cb)
+{
+ print_iostat_separator_impl(cb, 0);
+}
- if (islog) {
- vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
- B_FALSE);
- print_vdev_stats(zhp, vname, oldnv ?
- oldchild[c] : NULL, newchild[c],
- cb, depth + 2);
- free(vname);
- }
- }
+static void
+print_iostat_header_impl(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const char *histo_vdev_name)
+{
+ unsigned int namewidth;
+ const char *title;
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
+ } else if (cb->cb_vdev_names_count) {
+ title = "vdev";
+ } else {
+ title = "pool";
}
- /*
- * Include level 2 ARC devices in iostat output
- */
- if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
- &newchild, &children) != 0)
- return;
+ namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
+ histo_vdev_name ? strlen(histo_vdev_name) : 0);
- if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
- &oldchild, &c) != 0)
- return;
+ if (histo_vdev_name)
+ printf("%-*s", namewidth, histo_vdev_name);
+ else
+ printf("%*s", namewidth, "");
- if (children > 0) {
- (void) printf("%-*s - - - - - "
- "-\n", cb->cb_namewidth, "cache");
- for (c = 0; c < children; c++) {
- vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
- B_FALSE);
- print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
- newchild[c], cb, depth + 2);
- free(vname);
- }
- }
-}
-static int
-refresh_iostat(zpool_handle_t *zhp, void *data)
-{
- iostat_cbdata_t *cb = data;
- boolean_t missing;
+ print_iostat_labels(cb, force_column_width, iostat_top_labels);
+ printf("\n");
- /*
- * If the pool has disappeared, remove it from the list and continue.
- */
- if (zpool_refresh_stats(zhp, &missing) != 0)
- return (-1);
+ printf("%-*s", namewidth, title);
- if (missing)
- pool_list_remove(cb->cb_list, zhp);
+ print_iostat_labels(cb, force_column_width, iostat_bottom_labels);
+ if (cb->vcdl != NULL)
+ print_cmd_columns(cb->vcdl, 0);
- return (0);
-}
+ printf("\n");
+
+ print_iostat_separator_impl(cb, force_column_width);
+
+ if (cb->vcdl != NULL)
+ print_cmd_columns(cb->vcdl, 1);
+
+ printf("\n");
+}
+
+static void
+print_iostat_header(iostat_cbdata_t *cb)
+{
+ print_iostat_header_impl(cb, 0, NULL);
+}
+
+
+/*
+ * Display a single statistic.
+ */
+static void
+print_one_stat(uint64_t value, enum zfs_nicenum_format format,
+ unsigned int column_size, boolean_t scripted)
+{
+ char buf[64];
+
+ zfs_nicenum_format(value, buf, sizeof (buf), format);
+
+ if (scripted)
+ printf("\t%s", buf);
+ else
+ printf(" %*s", column_size, buf);
+}
+
+/*
+ * Calculate the default vdev stats
+ *
+ * Subtract oldvs from newvs, apply a scaling factor, and save the resulting
+ * stats into calcvs.
+ */
+static void
+calc_default_iostats(vdev_stat_t *oldvs, vdev_stat_t *newvs,
+ vdev_stat_t *calcvs)
+{
+ int i;
+
+ memcpy(calcvs, newvs, sizeof (*calcvs));
+ for (i = 0; i < ARRAY_SIZE(calcvs->vs_ops); i++)
+ calcvs->vs_ops[i] = (newvs->vs_ops[i] - oldvs->vs_ops[i]);
+
+ for (i = 0; i < ARRAY_SIZE(calcvs->vs_bytes); i++)
+ calcvs->vs_bytes[i] = (newvs->vs_bytes[i] - oldvs->vs_bytes[i]);
+}
+
+/*
+ * Internal representation of the extended iostats data.
+ *
+ * The extended iostat stats are exported in nvlists as either uint64_t arrays
+ * or single uint64_t's. We make both look like arrays to make them easier
+ * to process. In order to make single uint64_t's look like arrays, we set
+ * __data to the stat data, and then set *data = &__data with count = 1. Then,
+ * we can just use *data and count.
+ */
+struct stat_array {
+ uint64_t *data;
+ uint_t count; /* Number of entries in data[] */
+ uint64_t __data; /* Only used when data is a single uint64_t */
+};
+
+static uint64_t
+stat_histo_max(struct stat_array *nva, unsigned int len)
+{
+ uint64_t max = 0;
+ int i;
+ for (i = 0; i < len; i++)
+ max = MAX(max, array64_max(nva[i].data, nva[i].count));
+
+ return (max);
+}
+
+/*
+ * Helper function to lookup a uint64_t array or uint64_t value and store its
+ * data as a stat_array. If the nvpair is a single uint64_t value, then we make
+ * it look like a one element array to make it easier to process.
+ */
+static int
+nvpair64_to_stat_array(nvlist_t *nvl, const char *name,
+ struct stat_array *nva)
+{
+ nvpair_t *tmp;
+ int ret;
+
+ verify(nvlist_lookup_nvpair(nvl, name, &tmp) == 0);
+ switch (nvpair_type(tmp)) {
+ case DATA_TYPE_UINT64_ARRAY:
+ ret = nvpair_value_uint64_array(tmp, &nva->data, &nva->count);
+ break;
+ case DATA_TYPE_UINT64:
+ ret = nvpair_value_uint64(tmp, &nva->__data);
+ nva->data = &nva->__data;
+ nva->count = 1;
+ break;
+ default:
+ /* Not a uint64_t */
+ ret = EINVAL;
+ break;
+ }
+
+ return (ret);
+}
+
+/*
+ * Given a list of nvlist names, look up the extended stats in newnv and oldnv,
+ * subtract them, and return the results in a newly allocated stat_array.
+ * You must free the returned array after you are done with it with
+ * free_calc_stats().
+ *
+ * Additionally, you can set "oldnv" to NULL if you simply want the newnv
+ * values.
+ */
+static struct stat_array *
+calc_and_alloc_stats_ex(const char **names, unsigned int len, nvlist_t *oldnv,
+ nvlist_t *newnv)
+{
+ nvlist_t *oldnvx = NULL, *newnvx;
+ struct stat_array *oldnva, *newnva, *calcnva;
+ int i, j;
+ unsigned int alloc_size = (sizeof (struct stat_array)) * len;
+
+ /* Extract our extended stats nvlist from the main list */
+ verify(nvlist_lookup_nvlist(newnv, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &newnvx) == 0);
+ if (oldnv) {
+ verify(nvlist_lookup_nvlist(oldnv, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &oldnvx) == 0);
+ }
+
+ newnva = safe_malloc(alloc_size);
+ oldnva = safe_malloc(alloc_size);
+ calcnva = safe_malloc(alloc_size);
+
+ for (j = 0; j < len; j++) {
+ verify(nvpair64_to_stat_array(newnvx, names[j],
+ &newnva[j]) == 0);
+ calcnva[j].count = newnva[j].count;
+ alloc_size = calcnva[j].count * sizeof (calcnva[j].data[0]);
+ calcnva[j].data = safe_malloc(alloc_size);
+ memcpy(calcnva[j].data, newnva[j].data, alloc_size);
+
+ if (oldnvx) {
+ verify(nvpair64_to_stat_array(oldnvx, names[j],
+ &oldnva[j]) == 0);
+ for (i = 0; i < oldnva[j].count; i++)
+ calcnva[j].data[i] -= oldnva[j].data[i];
+ }
+ }
+ free(newnva);
+ free(oldnva);
+ return (calcnva);
+}
+
+static void
+free_calc_stats(struct stat_array *nva, unsigned int len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ free(nva[i].data);
+
+ free(nva);
+}
+
+static void
+print_iostat_histo(struct stat_array *nva, unsigned int len,
+ iostat_cbdata_t *cb, unsigned int column_width, unsigned int namewidth,
+ double scale)
+{
+ int i, j;
+ char buf[6];
+ uint64_t val;
+ enum zfs_nicenum_format format;
+ unsigned int buckets;
+ unsigned int start_bucket;
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
+ /* All these histos are the same size, so just use nva[0].count */
+ buckets = nva[0].count;
+
+ if (cb->cb_flags & IOS_RQ_HISTO_M) {
+ /* Start at 512 - req size should never be lower than this */
+ start_bucket = 9;
+ } else {
+ start_bucket = 0;
+ }
+
+ for (j = start_bucket; j < buckets; j++) {
+ /* Print histogram bucket label */
+ if (cb->cb_flags & IOS_L_HISTO_M) {
+ /* Ending range of this bucket */
+ val = (1UL << (j + 1)) - 1;
+ zfs_nicetime(val, buf, sizeof (buf));
+ } else {
+ /* Request size (starting range of bucket) */
+ val = (1UL << j);
+ zfs_nicenum(val, buf, sizeof (buf));
+ }
+
+ if (cb->cb_scripted)
+ printf("%llu", (u_longlong_t)val);
+ else
+ printf("%-*s", namewidth, buf);
+
+ /* Print the values on the line */
+ for (i = 0; i < len; i++) {
+ print_one_stat(nva[i].data[j] * scale, format,
+ column_width, cb->cb_scripted);
+ }
+ printf("\n");
+ }
+}
+
+static void
+print_solid_separator(unsigned int length)
+{
+ while (length--)
+ printf("-");
+ printf("\n");
+}
+
+static void
+print_iostat_histos(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv, double scale, const char *name)
+{
+ unsigned int column_width;
+ unsigned int namewidth;
+ unsigned int entire_width;
+ enum iostat_type type;
+ struct stat_array *nva;
+ const char **names;
+ unsigned int names_len;
+
+ /* What type of histo are we? */
+ type = IOS_HISTO_IDX(cb->cb_flags);
+
+ /* Get NULL-terminated array of nvlist names for our histo */
+ names = vsx_type_to_nvlist[type];
+ names_len = str_array_len(names); /* num of names */
+
+ nva = calc_and_alloc_stats_ex(names, names_len, oldnv, newnv);
+
+ if (cb->cb_literal) {
+ column_width = MAX(5,
+ (unsigned int) log10(stat_histo_max(nva, names_len)) + 1);
+ } else {
+ column_width = 5;
+ }
+
+ namewidth = MAX(cb->cb_namewidth,
+ strlen(histo_to_title[IOS_HISTO_IDX(cb->cb_flags)]));
+
+ /*
+ * Calculate the entire line width of what we're printing. The
+ * +2 is for the two spaces between columns:
+ */
+ /* read write */
+ /* ----- ----- */
+ /* |___| <---------- column_width */
+ /* */
+ /* |__________| <--- entire_width */
+ /* */
+ entire_width = namewidth + (column_width + 2) *
+ label_array_len(iostat_bottom_labels[type]);
+
+ if (cb->cb_scripted)
+ printf("%s\n", name);
+ else
+ print_iostat_header_impl(cb, column_width, name);
+
+ print_iostat_histo(nva, names_len, cb, column_width,
+ namewidth, scale);
+
+ free_calc_stats(nva, names_len);
+ if (!cb->cb_scripted)
+ print_solid_separator(entire_width);
+}
+
+/*
+ * Calculate the average latency of a power-of-two latency histogram
+ */
+static uint64_t
+single_histo_average(uint64_t *histo, unsigned int buckets)
+{
+ int i;
+ uint64_t count = 0, total = 0;
+
+ for (i = 0; i < buckets; i++) {
+ /*
+ * Our buckets are power-of-two latency ranges. Use the
+ * midpoint latency of each bucket to calculate the average.
+ * For example:
+ *
+ * Bucket Midpoint
+ * 8ns-15ns: 12ns
+ * 16ns-31ns: 24ns
+ * ...
+ */
+ if (histo[i] != 0) {
+ total += histo[i] * (((1UL << i) + ((1UL << i)/2)));
+ count += histo[i];
+ }
+ }
+
+ /* Prevent divide by zero */
+ return (count == 0 ? 0 : total / count);
+}
+
+static void
+print_iostat_queues(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv, double scale)
+{
+ int i;
+ uint64_t val;
+ const char *names[] = {
+ ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
+ };
+
+ struct stat_array *nva;
+
+ unsigned int column_width = default_column_width(cb, IOS_QUEUES);
+ enum zfs_nicenum_format format;
+
+ nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), NULL, newnv);
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
+ for (i = 0; i < ARRAY_SIZE(names); i++) {
+ val = nva[i].data[0] * scale;
+ print_one_stat(val, format, column_width, cb->cb_scripted);
+ }
+
+ free_calc_stats(nva, ARRAY_SIZE(names));
+}
+
+static void
+print_iostat_latency(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv, double scale)
+{
+ int i;
+ uint64_t val;
+ const char *names[] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
+ };
+ struct stat_array *nva;
+
+ unsigned int column_width = default_column_width(cb, IOS_LATENCY);
+ enum zfs_nicenum_format format;
+
+ nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), oldnv, newnv);
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAWTIME;
+ else
+ format = ZFS_NICENUM_TIME;
+
+ /* Print our avg latencies on the line */
+ for (i = 0; i < ARRAY_SIZE(names); i++) {
+ /* Compute average latency for a latency histo */
+ val = single_histo_average(nva[i].data, nva[i].count) * scale;
+ print_one_stat(val, format, column_width, cb->cb_scripted);
+ }
+ free_calc_stats(nva, ARRAY_SIZE(names));
+}
+
+/*
+ * Print default statistics (capacity/operations/bandwidth)
+ */
+static void
+print_iostat_default(vdev_stat_t *vs, iostat_cbdata_t *cb, double scale)
+{
+ unsigned int column_width = default_column_width(cb, IOS_DEFAULT);
+ enum zfs_nicenum_format format;
+ char na; /* char to print for "not applicable" values */
+
+ if (cb->cb_literal) {
+ format = ZFS_NICENUM_RAW;
+ na = '0';
+ } else {
+ format = ZFS_NICENUM_1024;
+ na = '-';
+ }
+
+ /* only toplevel vdevs have capacity stats */
+ if (vs->vs_space == 0) {
+ if (cb->cb_scripted)
+ printf("\t%c\t%c", na, na);
+ else
+ printf(" %*c %*c", column_width, na, column_width,
+ na);
+ } else {
+ print_one_stat(vs->vs_alloc, format, column_width,
+ cb->cb_scripted);
+ print_one_stat(vs->vs_space - vs->vs_alloc, format,
+ column_width, cb->cb_scripted);
+ }
+
+ print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_READ] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_WRITE] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_READ] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_WRITE] * scale),
+ format, column_width, cb->cb_scripted);
+}
+
+/*
+ * Print out all the statistics for the given vdev. This can either be the
+ * toplevel configuration, or called recursively. If 'name' is NULL, then this
+ * is a verbose output, and we don't want to display the toplevel pool stats.
+ *
+ * Returns the number of stat lines printed.
+ */
+unsigned int
+print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
+ nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
+{
+ nvlist_t **oldchild, **newchild;
+ uint_t c, children;
+ vdev_stat_t *oldvs, *newvs, *calcvs;
+ vdev_stat_t zerovs = { 0 };
+ char *vname;
+ int i;
+ int ret = 0;
+ uint64_t tdelta;
+ double scale;
+
+ calcvs = safe_malloc(sizeof (*calcvs));
+
+ if (oldnv != NULL) {
+ verify(nvlist_lookup_uint64_array(oldnv,
+ ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
+ } else {
+ oldvs = &zerovs;
+ }
+
+ /* Do we only want to see a specific vdev? */
+ for (i = 0; i < cb->cb_vdev_names_count; i++) {
+ /* Yes we do. Is this the vdev? */
+ if (strcmp(name, cb->cb_vdev_names[i]) == 0) {
+ /*
+ * This is our vdev. Since it is the only vdev we
+ * will be displaying, make depth = 0 so that it
+ * doesn't get indented.
+ */
+ depth = 0;
+ break;
+ }
+ }
+
+ if (cb->cb_vdev_names_count && (i == cb->cb_vdev_names_count)) {
+ /* Couldn't match the name */
+ goto children;
+ }
+
+
+ verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&newvs, &c) == 0);
+
+ /*
+ * Print the vdev name unless it's is a histogram. Histograms
+ * display the vdev name in the header itself.
+ */
+ if (!(cb->cb_flags & IOS_ANYHISTO_M)) {
+ if (cb->cb_scripted) {
+ printf("%s", name);
+ } else {
+ if (strlen(name) + depth > cb->cb_namewidth)
+ (void) printf("%*s%s", depth, "", name);
+ else
+ (void) printf("%*s%s%*s", depth, "", name,
+ (int)(cb->cb_namewidth - strlen(name) -
+ depth), "");
+ }
+ }
+
+ /* Calculate our scaling factor */
+ tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
+ if ((oldvs->vs_timestamp == 0) && (cb->cb_flags & IOS_ANYHISTO_M)) {
+ /*
+ * If we specify printing histograms with no time interval, then
+ * print the histogram numbers over the entire lifetime of the
+ * vdev.
+ */
+ scale = 1;
+ } else {
+ if (tdelta == 0)
+ scale = 1.0;
+ else
+ scale = (double)NANOSEC / tdelta;
+ }
+
+ if (cb->cb_flags & IOS_DEFAULT_M) {
+ calc_default_iostats(oldvs, newvs, calcvs);
+ print_iostat_default(calcvs, cb, scale);
+ }
+ if (cb->cb_flags & IOS_LATENCY_M)
+ print_iostat_latency(cb, oldnv, newnv, scale);
+ if (cb->cb_flags & IOS_QUEUES_M)
+ print_iostat_queues(cb, oldnv, newnv, scale);
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ printf("\n");
+ print_iostat_histos(cb, oldnv, newnv, scale, name);
+ }
+
+ if (cb->vcdl != NULL) {
+ char *path;
+ if (nvlist_lookup_string(newnv, ZPOOL_CONFIG_PATH,
+ &path) == 0) {
+ printf(" ");
+ zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
+ }
+ }
+
+ if (!(cb->cb_flags & IOS_ANYHISTO_M))
+ printf("\n");
+
+ ret++;
+
+children:
+
+ free(calcvs);
+
+ if (!cb->cb_verbose)
+ return (ret);
+
+ if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
+ &newchild, &children) != 0)
+ return (ret);
+
+ if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
+ &oldchild, &c) != 0)
+ return (ret);
+
+ for (c = 0; c < children; c++) {
+ uint64_t ishole = B_FALSE, islog = B_FALSE;
+
+ (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
+ &ishole);
+
+ (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
+ &islog);
+
+ if (ishole || islog)
+ continue;
+
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
+ newchild[c], cb, depth + 2);
+ free(vname);
+ }
+
+ /*
+ * Log device section
+ */
+
+ if (num_logs(newnv) > 0) {
+ if ((!(cb->cb_flags & IOS_ANYHISTO_M)) && !cb->cb_scripted &&
+ !cb->cb_vdev_names) {
+ print_iostat_dashes(cb, 0, "logs");
+ }
+ printf("\n");
+
+ for (c = 0; c < children; c++) {
+ uint64_t islog = B_FALSE;
+ (void) nvlist_lookup_uint64(newchild[c],
+ ZPOOL_CONFIG_IS_LOG, &islog);
+
+ if (islog) {
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ?
+ oldchild[c] : NULL, newchild[c],
+ cb, depth + 2);
+ free(vname);
+ }
+ }
+
+ }
+
+ /*
+ * Include level 2 ARC devices in iostat output
+ */
+ if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
+ &newchild, &children) != 0)
+ return (ret);
+
+ if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
+ &oldchild, &c) != 0)
+ return (ret);
+
+ if (children > 0) {
+ if ((!(cb->cb_flags & IOS_ANYHISTO_M)) && !cb->cb_scripted &&
+ !cb->cb_vdev_names) {
+ print_iostat_dashes(cb, 0, "cache");
+ }
+ printf("\n");
+
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c]
+ : NULL, newchild[c], cb, depth + 2);
+ free(vname);
+ }
+ }
+
+ return (ret);
+}
+
+static int
+refresh_iostat(zpool_handle_t *zhp, void *data)
+{
+ iostat_cbdata_t *cb = data;
+ boolean_t missing;
+
+ /*
+ * If the pool has disappeared, remove it from the list and continue.
+ */
+ if (zpool_refresh_stats(zhp, &missing) != 0)
+ return (-1);
+
+ if (missing)
+ pool_list_remove(cb->cb_list, zhp);
+
+ return (0);
+}
/*
* Callback to print out the iostats for the given pool.
iostat_cbdata_t *cb = data;
nvlist_t *oldconfig, *newconfig;
nvlist_t *oldnvroot, *newnvroot;
+ int ret;
newconfig = zpool_get_config(zhp, &oldconfig);
verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
&oldnvroot) == 0);
- /*
- * Print out the statistics for the pool.
- */
- print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0);
-
- if (cb->cb_verbose)
+ ret = print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot,
+ cb, 0);
+ if ((ret != 0) && !(cb->cb_flags & IOS_ANYHISTO_M) &&
+ !cb->cb_scripted && cb->cb_verbose && !cb->cb_vdev_names_count) {
print_iostat_separator(cb);
+ if (cb->vcdl != NULL) {
+ print_cmd_columns(cb->vcdl, 1);
+ }
+ printf("\n");
+ }
- return (0);
+ return (ret);
}
static int
if ((config = zpool_get_config(zhp, NULL)) != NULL) {
verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
+ unsigned int poolname_len = strlen(zpool_get_name(zhp));
if (!cb->cb_verbose)
- cb->cb_namewidth = strlen(zpool_get_name(zhp));
+ cb->cb_namewidth = poolname_len;
else
- cb->cb_namewidth = max_width(zhp, nvroot, 0,
- cb->cb_namewidth);
+ cb->cb_namewidth = MAX(poolname_len,
+ max_width(zhp, nvroot, 0, cb->cb_namewidth,
+ cb->cb_name_flags));
}
-
/*
* The width must be at least 10, but may be as large as the
* column width - 42 so that we can still fit in one line.
* Parse the input string, get the 'interval' and 'count' value if there is one.
*/
static void
-get_interval_count(int *argcp, char **argv, unsigned long *iv,
+get_interval_count(int *argcp, char **argv, float *iv,
unsigned long *cnt)
{
- unsigned long interval = 0, count = 0;
+ float interval = 0;
+ unsigned long count = 0;
int argc = *argcp;
/*
* Determine if the last argument is an integer or a pool name
*/
- if (argc > 0 && isdigit(argv[argc - 1][0])) {
+ if (argc > 0 && isnumber(argv[argc - 1])) {
char *end;
errno = 0;
- interval = strtoul(argv[argc - 1], &end, 10);
+ interval = strtof(argv[argc - 1], &end);
if (*end == '\0' && errno == 0) {
if (interval == 0) {
* If the last argument is also an integer, then we have both a count
* and an interval.
*/
- if (argc > 0 && isdigit(argv[argc - 1][0])) {
+ if (argc > 0 && isnumber(argv[argc - 1])) {
char *end;
errno = 0;
count = interval;
- interval = strtoul(argv[argc - 1], &end, 10);
+ interval = strtof(argv[argc - 1], &end);
if (*end == '\0' && errno == 0) {
if (interval == 0) {
}
/*
- * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]]
+ * Return stat flags that are supported by all pools by both the module and
+ * zpool iostat. "*data" should be initialized to all 0xFFs before running.
+ * It will get ANDed down until only the flags that are supported on all pools
+ * remain.
+ */
+static int
+get_stat_flags_cb(zpool_handle_t *zhp, void *data)
+{
+ uint64_t *mask = data;
+ nvlist_t *config, *nvroot, *nvx;
+ uint64_t flags = 0;
+ int i, j;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+
+ /* Default stats are always supported, but for completeness.. */
+ if (nvlist_exists(nvroot, ZPOOL_CONFIG_VDEV_STATS))
+ flags |= IOS_DEFAULT_M;
+
+ /* Get our extended stats nvlist from the main list */
+ if (nvlist_lookup_nvlist(nvroot, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &nvx) != 0) {
+ /*
+ * No extended stats; they're probably running an older
+ * module. No big deal, we support that too.
+ */
+ goto end;
+ }
+
+ /* For each extended stat, make sure all its nvpairs are supported */
+ for (j = 0; j < ARRAY_SIZE(vsx_type_to_nvlist); j++) {
+ if (!vsx_type_to_nvlist[j][0])
+ continue;
+
+ /* Start off by assuming the flag is supported, then check */
+ flags |= (1ULL << j);
+ for (i = 0; vsx_type_to_nvlist[j][i]; i++) {
+ if (!nvlist_exists(nvx, vsx_type_to_nvlist[j][i])) {
+ /* flag isn't supported */
+ flags = flags & ~(1ULL << j);
+ break;
+ }
+ }
+ }
+end:
+ *mask = *mask & flags;
+ return (0);
+}
+
+/*
+ * Return a bitmask of stats that are supported on all pools by both the module
+ * and zpool iostat.
+ */
+static uint64_t
+get_stat_flags(zpool_list_t *list)
+{
+ uint64_t mask = -1;
+
+ /*
+ * get_stat_flags_cb() will lop off bits from "mask" until only the
+ * flags that are supported on all pools remain.
+ */
+ pool_list_iter(list, B_FALSE, get_stat_flags_cb, &mask);
+ return (mask);
+}
+
+/*
+ * Return 1 if cb_data->cb_vdev_names[0] is this vdev's name, 0 otherwise.
+ */
+static int
+is_vdev_cb(zpool_handle_t *zhp, nvlist_t *nv, void *cb_data)
+{
+ iostat_cbdata_t *cb = cb_data;
+ char *name = NULL;
+ int ret = 0;
+
+ name = zpool_vdev_name(g_zfs, zhp, nv, cb->cb_name_flags);
+
+ if (strcmp(name, cb->cb_vdev_names[0]) == 0)
+ ret = 1; /* match */
+ free(name);
+
+ return (ret);
+}
+
+/*
+ * Returns 1 if cb_data->cb_vdev_names[0] is a vdev name, 0 otherwise.
+ */
+static int
+is_vdev(zpool_handle_t *zhp, void *cb_data)
+{
+ return (for_each_vdev(zhp, is_vdev_cb, cb_data));
+}
+
+/*
+ * Check if vdevs are in a pool
+ *
+ * Return 1 if all argv[] strings are vdev names in pool "pool_name". Otherwise
+ * return 0. If pool_name is NULL, then search all pools.
+ */
+static int
+are_vdevs_in_pool(int argc, char **argv, char *pool_name,
+ iostat_cbdata_t *cb)
+{
+ char **tmp_name;
+ int ret = 0;
+ int i;
+ int pool_count = 0;
+
+ if ((argc == 0) || !*argv)
+ return (0);
+
+ if (pool_name)
+ pool_count = 1;
+
+ /* Temporarily hijack cb_vdev_names for a second... */
+ tmp_name = cb->cb_vdev_names;
+
+ /* Go though our list of prospective vdev names */
+ for (i = 0; i < argc; i++) {
+ cb->cb_vdev_names = argv + i;
+
+ /* Is this name a vdev in our pools? */
+ ret = for_each_pool(pool_count, &pool_name, B_TRUE, NULL,
+ is_vdev, cb);
+ if (!ret) {
+ /* No match */
+ break;
+ }
+ }
+
+ cb->cb_vdev_names = tmp_name;
+
+ return (ret);
+}
+
+static int
+is_pool_cb(zpool_handle_t *zhp, void *data)
+{
+ char *name = data;
+ if (strcmp(name, zpool_get_name(zhp)) == 0)
+ return (1);
+
+ return (0);
+}
+
+/*
+ * Do we have a pool named *name? If so, return 1, otherwise 0.
+ */
+static int
+is_pool(char *name)
+{
+ return (for_each_pool(0, NULL, B_TRUE, NULL, is_pool_cb, name));
+}
+
+/* Are all our argv[] strings pool names? If so return 1, 0 otherwise. */
+static int
+are_all_pools(int argc, char **argv)
+{
+ if ((argc == 0) || !*argv)
+ return (0);
+
+ while (--argc >= 0)
+ if (!is_pool(argv[argc]))
+ return (0);
+
+ return (1);
+}
+
+/*
+ * Helper function to print out vdev/pool names we can't resolve. Used for an
+ * error message.
+ */
+static void
+error_list_unresolved_vdevs(int argc, char **argv, char *pool_name,
+ iostat_cbdata_t *cb)
+{
+ int i;
+ char *name;
+ char *str;
+ for (i = 0; i < argc; i++) {
+ name = argv[i];
+
+ if (is_pool(name))
+ str = gettext("pool");
+ else if (are_vdevs_in_pool(1, &name, pool_name, cb))
+ str = gettext("vdev in this pool");
+ else if (are_vdevs_in_pool(1, &name, NULL, cb))
+ str = gettext("vdev in another pool");
+ else
+ str = gettext("unknown");
+
+ fprintf(stderr, "\t%s (%s)\n", name, str);
+ }
+}
+
+/*
+ * Same as get_interval_count(), but with additional checks to not misinterpret
+ * guids as interval/count values. Assumes VDEV_NAME_GUID is set in
+ * cb.cb_name_flags.
+ */
+static void
+get_interval_count_filter_guids(int *argc, char **argv, float *interval,
+ unsigned long *count, iostat_cbdata_t *cb)
+{
+ char **tmpargv = argv;
+ int argc_for_interval = 0;
+
+ /* Is the last arg an interval value? Or a guid? */
+ if (*argc >= 1 && !are_vdevs_in_pool(1, &argv[*argc - 1], NULL, cb)) {
+ /*
+ * The last arg is not a guid, so it's probably an
+ * interval value.
+ */
+ argc_for_interval++;
+
+ if (*argc >= 2 &&
+ !are_vdevs_in_pool(1, &argv[*argc - 2], NULL, cb)) {
+ /*
+ * The 2nd to last arg is not a guid, so it's probably
+ * an interval value.
+ */
+ argc_for_interval++;
+ }
+ }
+
+ /* Point to our list of possible intervals */
+ tmpargv = &argv[*argc - argc_for_interval];
+
+ *argc = *argc - argc_for_interval;
+ get_interval_count(&argc_for_interval, tmpargv,
+ interval, count);
+}
+
+/*
+ * Floating point sleep(). Allows you to pass in a floating point value for
+ * seconds.
+ */
+static void
+fsleep(float sec)
+{
+ struct timespec req;
+ req.tv_sec = floor(sec);
+ req.tv_nsec = (sec - (float)req.tv_sec) * NANOSEC;
+ nanosleep(&req, NULL);
+}
+
+/*
+ * Run one of the zpool status/iostat -c scripts with the help (-h) option and
+ * print the result.
+ *
+ * name: Short name of the script ('iostat').
+ * path: Full path to the script ('/usr/local/etc/zfs/zpool.d/iostat');
+ */
+static void
+print_zpool_script_help(char *name, char *path)
+{
+ char *argv[] = {path, "-h", NULL};
+ char **lines = NULL;
+ int lines_cnt = 0;
+ int rc;
+
+ rc = libzfs_run_process_get_stdout_nopath(path, argv, NULL, &lines,
+ &lines_cnt);
+ if (rc != 0 || lines == NULL || lines_cnt <= 0) {
+ if (lines != NULL)
+ libzfs_free_str_array(lines, lines_cnt);
+ return;
+ }
+
+ for (int i = 0; i < lines_cnt; i++)
+ if (!is_blank_str(lines[i]))
+ printf(" %-14s %s\n", name, lines[i]);
+
+ libzfs_free_str_array(lines, lines_cnt);
+}
+
+/*
+ * Go though the zpool status/iostat -c scripts in the user's path, run their
+ * help option (-h), and print out the results.
+ */
+static void
+print_zpool_dir_scripts(char *dirpath)
+{
+ DIR *dir;
+ struct dirent *ent;
+ char fullpath[MAXPATHLEN];
+ struct stat dir_stat;
+
+ if ((dir = opendir(dirpath)) != NULL) {
+ /* print all the files and directories within directory */
+ while ((ent = readdir(dir)) != NULL) {
+ sprintf(fullpath, "%s/%s", dirpath, ent->d_name);
+
+ /* Print the scripts */
+ if (stat(fullpath, &dir_stat) == 0)
+ if (dir_stat.st_mode & S_IXUSR &&
+ S_ISREG(dir_stat.st_mode))
+ print_zpool_script_help(ent->d_name,
+ fullpath);
+ }
+ closedir(dir);
+ }
+}
+
+/*
+ * Print out help text for all zpool status/iostat -c scripts.
+ */
+static void
+print_zpool_script_list(char *subcommand)
+{
+ char *dir, *sp;
+
+ printf(gettext("Available 'zpool %s -c' commands:\n"), subcommand);
+
+ sp = zpool_get_cmd_search_path();
+ if (sp == NULL)
+ return;
+
+ dir = strtok(sp, ":");
+ while (dir != NULL) {
+ print_zpool_dir_scripts(dir);
+ dir = strtok(NULL, ":");
+ }
+
+ free(sp);
+}
+
+/*
+ * zpool iostat [[-c [script1,script2,...]] [-lq]|[-rw]] [-ghHLpPvy] [-n name]
+ * [-T d|u] [[ pool ...]|[pool vdev ...]|[vdev ...]]
+ * [interval [count]]
*
+ * -c CMD For each vdev, run command CMD
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -P Display full path for vdev name.
* -v Display statistics for individual vdevs
+ * -h Display help
+ * -p Display values in parsable (exact) format.
+ * -H Scripted mode. Don't display headers, and separate properties
+ * by a single tab.
+ * -l Display average latency
+ * -q Display queue depths
+ * -w Display latency histograms
+ * -r Display request size histogram
* -T Display a timestamp in date(1) or Unix format
*
* This command can be tricky because we want to be able to deal with pool
int c;
int ret;
int npools;
- unsigned long interval = 0, count = 0;
+ float interval = 0;
+ unsigned long count = 0;
zpool_list_t *list;
boolean_t verbose = B_FALSE;
- iostat_cbdata_t cb;
+ boolean_t latency = B_FALSE, l_histo = B_FALSE, rq_histo = B_FALSE;
+ boolean_t queues = B_FALSE, parsable = B_FALSE, scripted = B_FALSE;
+ boolean_t omit_since_boot = B_FALSE;
+ boolean_t guid = B_FALSE;
+ boolean_t follow_links = B_FALSE;
+ boolean_t full_name = B_FALSE;
+ iostat_cbdata_t cb = { 0 };
+ char *cmd = NULL;
+
+ /* Used for printing error message */
+ const char flag_to_arg[] = {[IOS_LATENCY] = 'l', [IOS_QUEUES] = 'q',
+ [IOS_L_HISTO] = 'w', [IOS_RQ_HISTO] = 'r'};
+
+ uint64_t unsupported_flags;
/* check options */
- while ((c = getopt(argc, argv, "T:v")) != -1) {
+ while ((c = getopt(argc, argv, "c:gLPT:vyhplqrwH")) != -1) {
switch (c) {
+ case 'c':
+ if (cmd != NULL) {
+ fprintf(stderr,
+ gettext("Can't set -c flag twice\n"));
+ exit(1);
+ }
+
+ if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
+ fprintf(stderr, gettext(
+ "Can't run -c, disabled by "
+ "ZPOOL_SCRIPTS_ENABLED.\n"));
+ exit(1);
+ }
+
+ if ((getuid() <= 0 || geteuid() <= 0) &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
+ fprintf(stderr, gettext(
+ "Can't run -c with root privileges "
+ "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
+ exit(1);
+ }
+ cmd = optarg;
+ verbose = B_TRUE;
+ break;
+ case 'g':
+ guid = B_TRUE;
+ break;
+ case 'L':
+ follow_links = B_TRUE;
+ break;
+ case 'P':
+ full_name = B_TRUE;
+ break;
case 'T':
get_timestamp_arg(*optarg);
break;
case 'v':
verbose = B_TRUE;
break;
+ case 'p':
+ parsable = B_TRUE;
+ break;
+ case 'l':
+ latency = B_TRUE;
+ break;
+ case 'q':
+ queues = B_TRUE;
+ break;
+ case 'H':
+ scripted = B_TRUE;
+ break;
+ case 'w':
+ l_histo = B_TRUE;
+ break;
+ case 'r':
+ rq_histo = B_TRUE;
+ break;
+ case 'y':
+ omit_since_boot = B_TRUE;
+ break;
+ case 'h':
+ usage(B_FALSE);
+ break;
case '?':
- (void) fprintf(stderr, gettext("invalid option '%c'\n"),
- optopt);
+ if (optopt == 'c') {
+ print_zpool_script_list("iostat");
+ exit(0);
+ } else {
+ fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ }
usage(B_FALSE);
}
}
argc -= optind;
argv += optind;
- get_interval_count(&argc, argv, &interval, &count);
+ cb.cb_literal = parsable;
+ cb.cb_scripted = scripted;
+
+ if (guid)
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ if (follow_links)
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ if (full_name)
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ cb.cb_iteration = 0;
+ cb.cb_namewidth = 0;
+ cb.cb_verbose = verbose;
+
+ /* Get our interval and count values (if any) */
+ if (guid) {
+ get_interval_count_filter_guids(&argc, argv, &interval,
+ &count, &cb);
+ } else {
+ get_interval_count(&argc, argv, &interval, &count);
+ }
+
+ if (argc == 0) {
+ /* No args, so just print the defaults. */
+ } else if (are_all_pools(argc, argv)) {
+ /* All the args are pool names */
+ } else if (are_vdevs_in_pool(argc, argv, NULL, &cb)) {
+ /* All the args are vdevs */
+ cb.cb_vdev_names = argv;
+ cb.cb_vdev_names_count = argc;
+ argc = 0; /* No pools to process */
+ } else if (are_all_pools(1, argv)) {
+ /* The first arg is a pool name */
+ if (are_vdevs_in_pool(argc - 1, argv + 1, argv[0], &cb)) {
+ /* ...and the rest are vdev names */
+ cb.cb_vdev_names = argv + 1;
+ cb.cb_vdev_names_count = argc - 1;
+ argc = 1; /* One pool to process */
+ } else {
+ fprintf(stderr, gettext("Expected either a list of "));
+ fprintf(stderr, gettext("pools, or list of vdevs in"));
+ fprintf(stderr, " \"%s\", ", argv[0]);
+ fprintf(stderr, gettext("but got:\n"));
+ error_list_unresolved_vdevs(argc - 1, argv + 1,
+ argv[0], &cb);
+ fprintf(stderr, "\n");
+ usage(B_FALSE);
+ return (1);
+ }
+ } else {
+ /*
+ * The args don't make sense. The first arg isn't a pool name,
+ * nor are all the args vdevs.
+ */
+ fprintf(stderr, gettext("Unable to parse pools/vdevs list.\n"));
+ fprintf(stderr, "\n");
+ return (1);
+ }
+
+ if (cb.cb_vdev_names_count != 0) {
+ /*
+ * If user specified vdevs, it implies verbose.
+ */
+ cb.cb_verbose = B_TRUE;
+ }
/*
* Construct the list of all interesting pools.
if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL)
return (1);
- if (pool_list_count(list) == 0 && argc != 0) {
+ if (pool_list_count(list) == 0 && argc != 0) {
+ pool_list_free(list);
+ return (1);
+ }
+
+ if (pool_list_count(list) == 0 && interval == 0) {
+ pool_list_free(list);
+ (void) fprintf(stderr, gettext("no pools available\n"));
+ return (1);
+ }
+
+ if ((l_histo || rq_histo) && (cmd != NULL || latency || queues)) {
pool_list_free(list);
+ (void) fprintf(stderr,
+ gettext("[-r|-w] isn't allowed with [-c|-l|-q]\n"));
+ usage(B_FALSE);
return (1);
}
- if (pool_list_count(list) == 0 && interval == 0) {
+ if (l_histo && rq_histo) {
pool_list_free(list);
- (void) fprintf(stderr, gettext("no pools available\n"));
+ (void) fprintf(stderr,
+ gettext("Only one of [-r|-w] can be passed at a time\n"));
+ usage(B_FALSE);
return (1);
}
* Enter the main iostat loop.
*/
cb.cb_list = list;
- cb.cb_verbose = verbose;
- cb.cb_iteration = 0;
- cb.cb_namewidth = 0;
- for (;;) {
- pool_list_update(list);
+ if (l_histo) {
+ /*
+ * Histograms tables look out of place when you try to display
+ * them with the other stats, so make a rule that you can only
+ * print histograms by themselves.
+ */
+ cb.cb_flags = IOS_L_HISTO_M;
+ } else if (rq_histo) {
+ cb.cb_flags = IOS_RQ_HISTO_M;
+ } else {
+ cb.cb_flags = IOS_DEFAULT_M;
+ if (latency)
+ cb.cb_flags |= IOS_LATENCY_M;
+ if (queues)
+ cb.cb_flags |= IOS_QUEUES_M;
+ }
+
+ /*
+ * See if the module supports all the stats we want to display.
+ */
+ unsupported_flags = cb.cb_flags & ~get_stat_flags(list);
+ if (unsupported_flags) {
+ uint64_t f;
+ int idx;
+ fprintf(stderr,
+ gettext("The loaded zfs module doesn't support:"));
+
+ /* for each bit set in unsupported_flags */
+ for (f = unsupported_flags; f; f &= ~(1ULL << idx)) {
+ idx = lowbit64(f) - 1;
+ fprintf(stderr, " -%c", flag_to_arg[idx]);
+ }
+
+ fprintf(stderr, ". Try running a newer module.\n");
+ pool_list_free(list);
+
+ return (1);
+ }
+ for (;;) {
if ((npools = pool_list_count(list)) == 0)
(void) fprintf(stderr, gettext("no pools available\n"));
else {
+ /*
+ * If this is the first iteration and -y was supplied
+ * we skip any printing.
+ */
+ boolean_t skip = (omit_since_boot &&
+ cb.cb_iteration == 0);
+
/*
* Refresh all statistics. This is done as an
* explicit step before calculating the maximum name
* properly accounted for.
*/
(void) pool_list_iter(list, B_FALSE, refresh_iostat,
- &cb);
+ &cb);
/*
* Iterate over all pools to determine the maximum width
*/
cb.cb_namewidth = 0;
(void) pool_list_iter(list, B_FALSE, get_namewidth,
- &cb);
+ &cb);
if (timestamp_fmt != NODATE)
print_timestamp(timestamp_fmt);
+ if (cmd != NULL && cb.cb_verbose &&
+ !(cb.cb_flags & IOS_ANYHISTO_M)) {
+ cb.vcdl = all_pools_for_each_vdev_run(argc,
+ argv, cmd, g_zfs, cb.cb_vdev_names,
+ cb.cb_vdev_names_count, cb.cb_name_flags);
+ } else {
+ cb.vcdl = NULL;
+ }
+
/*
- * If it's the first time, or verbose mode, print the
- * header.
+ * If it's the first time and we're not skipping it,
+ * or either skip or verbose mode, print the header.
+ *
+ * The histogram code explicitly prints its header on
+ * every vdev, so skip this for histograms.
*/
- if (++cb.cb_iteration == 1 || verbose)
+ if (((++cb.cb_iteration == 1 && !skip) ||
+ (skip != verbose)) &&
+ (!(cb.cb_flags & IOS_ANYHISTO_M)) &&
+ !cb.cb_scripted)
print_iostat_header(&cb);
- (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
+ if (skip) {
+ (void) fsleep(interval);
+ continue;
+ }
+
+
+ pool_list_iter(list, B_FALSE, print_iostat, &cb);
/*
* If there's more than one pool, and we're not in
* verbose mode (which prints a separator for us),
* then print a separator.
+ *
+ * In addition, if we're printing specific vdevs then
+ * we also want an ending separator.
*/
- if (npools > 1 && !verbose)
+ if (((npools > 1 && !verbose &&
+ !(cb.cb_flags & IOS_ANYHISTO_M)) ||
+ (!(cb.cb_flags & IOS_ANYHISTO_M) &&
+ cb.cb_vdev_names_count)) &&
+ !cb.cb_scripted) {
print_iostat_separator(&cb);
+ if (cb.vcdl != NULL)
+ print_cmd_columns(cb.vcdl, 1);
+ printf("\n");
+ }
+
+ if (cb.vcdl != NULL)
+ free_vdev_cmd_data_list(cb.vcdl);
- if (verbose)
- (void) printf("\n");
}
/*
if (count != 0 && --count == 0)
break;
- (void) sleep(interval);
+ (void) fsleep(interval);
}
pool_list_free(list);
typedef struct list_cbdata {
boolean_t cb_verbose;
+ int cb_name_flags;
int cb_namewidth;
boolean_t cb_scripted;
zprop_list_t *cb_proplist;
+ boolean_t cb_literal;
} list_cbdata_t;
/*
right_justify = B_FALSE;
if (pl->pl_prop != ZPROP_INVAL) {
- if (pl->pl_prop == ZPOOL_PROP_EXPANDSZ &&
- zpool_get_prop_int(zhp, pl->pl_prop, NULL) == 0)
- propstr = "-";
- else if (zpool_get_prop(zhp, pl->pl_prop, property,
- sizeof (property), NULL) != 0)
+ if (zpool_get_prop(zhp, pl->pl_prop, property,
+ sizeof (property), NULL, cb->cb_literal) != 0)
propstr = "-";
else
propstr = property;
}
static void
-print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted)
+print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted,
+ boolean_t valid, enum zfs_nicenum_format format)
{
char propval[64];
boolean_t fixed;
size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
- zfs_nicenum(value, propval, sizeof (propval));
+ switch (prop) {
+ case ZPOOL_PROP_EXPANDSZ:
+ if (value == 0)
+ (void) strlcpy(propval, "-", sizeof (propval));
+ else
+ zfs_nicenum_format(value, propval, sizeof (propval),
+ format);
+ break;
+ case ZPOOL_PROP_FRAGMENTATION:
+ if (value == ZFS_FRAG_INVALID) {
+ (void) strlcpy(propval, "-", sizeof (propval));
+ } else if (format == ZFS_NICENUM_RAW) {
+ (void) snprintf(propval, sizeof (propval), "%llu",
+ (unsigned long long)value);
+ } else {
+ (void) snprintf(propval, sizeof (propval), "%llu%%",
+ (unsigned long long)value);
+ }
+ break;
+ case ZPOOL_PROP_CAPACITY:
+ if (format == ZFS_NICENUM_RAW)
+ (void) snprintf(propval, sizeof (propval), "%llu",
+ (unsigned long long)value);
+ else
+ (void) snprintf(propval, sizeof (propval), "%llu%%",
+ (unsigned long long)value);
+ break;
+ default:
+ zfs_nicenum_format(value, propval, sizeof (propval), format);
+ }
- if (prop == ZPOOL_PROP_EXPANDSZ && value == 0)
+ if (!valid)
(void) strlcpy(propval, "-", sizeof (propval));
if (scripted)
uint_t c, children;
char *vname;
boolean_t scripted = cb->cb_scripted;
+ uint64_t islog = B_FALSE;
+ boolean_t haslog = B_FALSE;
+ char *dashes = "%-*s - - - - - -\n";
verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
(uint64_t **)&vs, &c) == 0);
if (name != NULL) {
+ boolean_t toplevel = (vs->vs_space != 0);
+ uint64_t cap;
+ enum zfs_nicenum_format format;
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
if (scripted)
(void) printf("\t%s", name);
else if (strlen(name) + depth > cb->cb_namewidth)
(void) printf("%*s%s%*s", depth, "", name,
(int)(cb->cb_namewidth - strlen(name) - depth), "");
- /* only toplevel vdevs have capacity stats */
- if (vs->vs_space == 0) {
- if (scripted)
- (void) printf("\t-\t-\t-");
- else
- (void) printf(" - - -");
- } else {
- print_one_column(ZPOOL_PROP_SIZE, vs->vs_space,
- scripted);
- print_one_column(ZPOOL_PROP_CAPACITY, vs->vs_alloc,
- scripted);
- print_one_column(ZPOOL_PROP_FREE,
- vs->vs_space - vs->vs_alloc, scripted);
- }
- print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize,
- scripted);
+ /*
+ * Print the properties for the individual vdevs. Some
+ * properties are only applicable to toplevel vdevs. The
+ * 'toplevel' boolean value is passed to the print_one_column()
+ * to indicate that the value is valid.
+ */
+ print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, scripted,
+ toplevel, format);
+ print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, scripted,
+ toplevel, format);
+ print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc,
+ scripted, toplevel, format);
+ print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, scripted,
+ B_TRUE, format);
+ print_one_column(ZPOOL_PROP_FRAGMENTATION,
+ vs->vs_fragmentation, scripted,
+ (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel),
+ format);
+ cap = (vs->vs_space == 0) ? 0 :
+ (vs->vs_alloc * 100 / vs->vs_space);
+ print_one_column(ZPOOL_PROP_CAPACITY, cap, scripted, toplevel,
+ format);
(void) printf("\n");
}
ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
continue;
- vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
+ if (nvlist_lookup_uint64(child[c],
+ ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog) {
+ haslog = B_TRUE;
+ continue;
+ }
+
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
print_list_stats(zhp, vname, child[c], cb, depth + 2);
free(vname);
}
- /*
- * Include level 2 ARC devices in iostat output
- */
+ if (haslog == B_TRUE) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth, "log");
+ for (c = 0; c < children; c++) {
+ if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &islog) != 0 || !islog)
+ continue;
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2);
+ free(vname);
+ }
+ }
+
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
- &child, &children) != 0)
- return;
+ &child, &children) == 0 && children > 0) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth, "cache");
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2);
+ free(vname);
+ }
+ }
- if (children > 0) {
- (void) printf("%-*s - - - - - "
- "-\n", cb->cb_namewidth, "cache");
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child,
+ &children) == 0 && children > 0) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth, "spare");
for (c = 0; c < children; c++) {
vname = zpool_vdev_name(g_zfs, zhp, child[c],
- B_FALSE);
+ cb->cb_name_flags);
print_list_stats(zhp, vname, child[c], cb, depth + 2);
free(vname);
}
}
/*
- * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
+ * zpool list [-gHLpP] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
*
+ * -g Display guid for individual vdev name.
* -H Scripted mode. Don't display headers, and separate properties
* by a single tab.
+ * -L Follow links when resolving vdev path name.
* -o List of properties to display. Defaults to
- * "name,size,allocated,free,capacity,health,altroot"
+ * "name,size,allocated,free,expandsize,fragmentation,capacity,"
+ * "dedupratio,health,altroot"
+ * -p Display values in parsable (exact) format.
+ * -P Display full path for vdev name.
* -T Display a timestamp in date(1) or Unix format
*
* List all pools in the system, whether or not they're healthy. Output space
int ret = 0;
list_cbdata_t cb = { 0 };
static char default_props[] =
- "name,size,allocated,free,capacity,dedupratio,"
- "health,altroot";
+ "name,size,allocated,free,expandsize,fragmentation,capacity,"
+ "dedupratio,health,altroot";
char *props = default_props;
- unsigned long interval = 0, count = 0;
+ float interval = 0;
+ unsigned long count = 0;
zpool_list_t *list;
boolean_t first = B_TRUE;
/* check options */
- while ((c = getopt(argc, argv, ":Ho:T:v")) != -1) {
+ while ((c = getopt(argc, argv, ":gHLo:pPT:v")) != -1) {
switch (c) {
+ case 'g':
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ break;
case 'H':
cb.cb_scripted = B_TRUE;
break;
+ case 'L':
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
case 'o':
props = optarg;
break;
+ case 'P':
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ break;
+ case 'p':
+ cb.cb_literal = B_TRUE;
+ break;
case 'T':
get_timestamp_arg(*optarg);
break;
if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
usage(B_FALSE);
- if ((list = pool_list_get(argc, argv, &cb.cb_proplist, &ret)) == NULL)
- return (1);
-
- if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
- (void) printf(gettext("no pools available\n"));
- zprop_free_list(cb.cb_proplist);
- return (0);
- }
-
for (;;) {
- pool_list_update(list);
+ if ((list = pool_list_get(argc, argv, &cb.cb_proplist,
+ &ret)) == NULL)
+ return (1);
if (pool_list_count(list) == 0)
break;
if (count != 0 && --count == 0)
break;
- (void) sleep(interval);
+ pool_list_free(list);
+ (void) fsleep(interval);
+ }
+
+ if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
+ (void) printf(gettext("no pools available\n"));
+ ret = 0;
}
+ pool_list_free(list);
zprop_free_list(cb.cb_proplist);
return (ret);
}
usage(B_FALSE);
}
- if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
+ nvlist_free(props);
return (1);
+ }
if (zpool_get_config(zhp, NULL) == NULL) {
(void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
poolname);
zpool_close(zhp);
+ nvlist_free(props);
return (1);
}
+ /* unless manually specified use "ashift" pool property (if set) */
+ if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
+ int intval;
+ zprop_source_t src;
+ char strval[ZPOOL_MAXPROPLEN];
+
+ intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
+ if (src != ZPROP_SRC_DEFAULT) {
+ (void) sprintf(strval, "%" PRId32, intval);
+ verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
+ &props, B_TRUE) == 0);
+ }
+ }
+
nvroot = make_root_vdev(zhp, props, force, B_FALSE, replacing, B_FALSE,
argc, argv);
if (nvroot == NULL) {
zpool_close(zhp);
+ nvlist_free(props);
return (1);
}
ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing);
+ nvlist_free(props);
nvlist_free(nvroot);
zpool_close(zhp);
}
/*
- * zpool split [-n] [-o prop=val] ...
+ * zpool split [-gLnP] [-o prop=val] ...
* [-o mntopt] ...
* [-R altroot] <pool> <newpool> [<device> ...]
*
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
* -n Do not split the pool, but display the resulting layout if
* it were to be split.
* -o Set property=value, or set mount options.
+ * -P Display full path for vdev name.
* -R Mount the split-off pool under an alternate root.
+ * -l Load encryption keys while importing.
*
* Splits the named pool and gives it the new pool name. Devices to be split
* off may be listed, provided that no more than one device is specified
char *mntopts = NULL;
splitflags_t flags;
int c, ret = 0;
+ boolean_t loadkeys = B_FALSE;
zpool_handle_t *zhp;
nvlist_t *config, *props = NULL;
flags.dryrun = B_FALSE;
flags.import = B_FALSE;
+ flags.name_flags = 0;
/* check options */
- while ((c = getopt(argc, argv, ":R:no:")) != -1) {
+ while ((c = getopt(argc, argv, ":gLR:lno:P")) != -1) {
switch (c) {
+ case 'g':
+ flags.name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ flags.name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
case 'R':
flags.import = B_TRUE;
if (add_prop_list(
zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
&props, B_TRUE) != 0) {
- if (props)
- nvlist_free(props);
+ nvlist_free(props);
usage(B_FALSE);
}
break;
+ case 'l':
+ loadkeys = B_TRUE;
+ break;
case 'n':
flags.dryrun = B_TRUE;
break;
propval++;
if (add_prop_list(optarg, propval,
&props, B_TRUE) != 0) {
- if (props)
- nvlist_free(props);
+ nvlist_free(props);
usage(B_FALSE);
}
} else {
mntopts = optarg;
}
break;
+ case 'P':
+ flags.name_flags |= VDEV_NAME_PATH;
+ break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
usage(B_FALSE);
}
+ if (!flags.import && loadkeys) {
+ (void) fprintf(stderr, gettext("loading keys is only "
+ "valid when importing the pool\n"));
+ usage(B_FALSE);
+ }
+
argc -= optind;
argv += optind;
argc -= 2;
argv += 2;
- if ((zhp = zpool_open(g_zfs, srcpool)) == NULL)
+ if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) {
+ nvlist_free(props);
return (1);
+ }
config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
if (config == NULL) {
if (flags.dryrun) {
(void) printf(gettext("would create '%s' with the "
"following layout:\n\n"), newpool);
- print_vdev_tree(NULL, newpool, config, 0, B_FALSE);
+ print_vdev_tree(NULL, newpool, config, 0, B_FALSE,
+ flags.name_flags);
}
- nvlist_free(config);
}
zpool_close(zhp);
- if (ret != 0 || flags.dryrun || !flags.import)
+ if (ret != 0 || flags.dryrun || !flags.import) {
+ nvlist_free(config);
+ nvlist_free(props);
return (ret);
+ }
/*
* The split was successful. Now we need to open the new
* pool and import it.
*/
- if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL)
+ if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) {
+ nvlist_free(config);
+ nvlist_free(props);
return (1);
+ }
+
+ if (loadkeys) {
+ ret = zfs_crypto_attempt_load_keys(g_zfs, newpool);
+ if (ret != 0)
+ ret = 1;
+ }
+
if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
zpool_enable_datasets(zhp, mntopts, 0) != 0) {
ret = 1;
"different altroot\n"), "zpool import");
}
zpool_close(zhp);
+ nvlist_free(config);
+ nvlist_free(props);
return (ret);
}
/*
* zpool offline [-ft] <pool> <device> ...
*
- * -f Force the device into the offline state, even if doing
- * so would appear to compromise pool availability.
- * (not supported yet)
+ * -f Force the device into a faulted state.
*
- * -t Only take the device off-line temporarily. The offline
+ * -t Only take the device off-line temporarily. The offline/faulted
* state will not be persistent across reboots.
*/
/* ARGSUSED */
zpool_handle_t *zhp;
int ret = 0;
boolean_t istmp = B_FALSE;
+ boolean_t fault = B_FALSE;
/* check options */
while ((c = getopt(argc, argv, "ft")) != -1) {
switch (c) {
+ case 'f':
+ fault = B_TRUE;
+ break;
case 't':
istmp = B_TRUE;
break;
- case 'f':
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
return (1);
for (i = 1; i < argc; i++) {
- if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
- ret = 1;
+ if (fault) {
+ uint64_t guid = zpool_vdev_path_to_guid(zhp, argv[i]);
+ vdev_aux_t aux;
+ if (istmp == B_FALSE) {
+ /* Force the fault to persist across imports */
+ aux = VDEV_AUX_EXTERNAL_PERSIST;
+ } else {
+ aux = VDEV_AUX_EXTERNAL;
+ }
+
+ if (guid == 0 || zpool_vdev_fault(zhp, guid, aux) != 0)
+ ret = 1;
+ } else {
+ if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
+ ret = 1;
+ }
}
zpool_close(zhp);
int cb_type;
int cb_argc;
char **cb_argv;
+ pool_scrub_cmd_t cb_scrub_cmd;
} scrub_cbdata_t;
int
return (1);
}
- err = zpool_scan(zhp, cb->cb_type);
+ err = zpool_scan(zhp, cb->cb_type, cb->cb_scrub_cmd);
return (err != 0);
}
/*
- * zpool scrub [-s] <pool> ...
+ * zpool scrub [-s | -p] <pool> ...
*
* -s Stop. Stops any in-progress scrub.
+ * -p Pause. Pause in-progress scrub.
*/
int
zpool_do_scrub(int argc, char **argv)
scrub_cbdata_t cb;
cb.cb_type = POOL_SCAN_SCRUB;
+ cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
/* check options */
- while ((c = getopt(argc, argv, "s")) != -1) {
+ while ((c = getopt(argc, argv, "sp")) != -1) {
switch (c) {
case 's':
cb.cb_type = POOL_SCAN_NONE;
break;
+ case 'p':
+ cb.cb_scrub_cmd = POOL_SCRUB_PAUSE;
+ break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
}
}
+ if (cb.cb_type == POOL_SCAN_NONE &&
+ cb.cb_scrub_cmd == POOL_SCRUB_PAUSE) {
+ (void) fprintf(stderr, gettext("invalid option combination: "
+ "-s and -p are mutually exclusive\n"));
+ usage(B_FALSE);
+ }
+
cb.cb_argc = argc;
cb.cb_argv = argv;
argc -= optind;
return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb));
}
-typedef struct status_cbdata {
- int cb_count;
- boolean_t cb_allpools;
- boolean_t cb_verbose;
- boolean_t cb_explain;
- boolean_t cb_first;
- boolean_t cb_dedup_stats;
-} status_cbdata_t;
-
/*
* Print out detailed scrub status.
*/
void
print_scan_status(pool_scan_stat_t *ps)
{
- time_t start, end;
+ time_t start, end, pause;
uint64_t elapsed, mins_left, hours_left;
uint64_t pass_exam, examined, total;
uint_t rate;
start = ps->pss_start_time;
end = ps->pss_end_time;
- zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf));
+ pause = ps->pss_pass_scrub_pause;
+ zfs_nicebytes(ps->pss_processed, processed_buf, sizeof (processed_buf));
assert(ps->pss_func == POOL_SCAN_SCRUB ||
ps->pss_func == POOL_SCAN_RESILVER);
* Scan is in progress.
*/
if (ps->pss_func == POOL_SCAN_SCRUB) {
- (void) printf(gettext("scrub in progress since %s"),
- ctime(&start));
+ if (pause == 0) {
+ (void) printf(gettext("scrub in progress since %s"),
+ ctime(&start));
+ } else {
+ char buf[32];
+ struct tm *p = localtime(&pause);
+ (void) strftime(buf, sizeof (buf), "%a %b %e %T %Y", p);
+ (void) printf(gettext("scrub paused since %s\n"), buf);
+ (void) printf(gettext("\tscrub started on %s"),
+ ctime(&start));
+ }
} else if (ps->pss_func == POOL_SCAN_RESILVER) {
(void) printf(gettext("resilver in progress since %s"),
ctime(&start));
/* elapsed time for this pass */
elapsed = time(NULL) - ps->pss_pass_start;
+ elapsed -= ps->pss_pass_scrub_spent_paused;
elapsed = elapsed ? elapsed : 1;
pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1;
rate = pass_exam / elapsed;
mins_left = ((total - examined) / rate) / 60;
hours_left = mins_left / 60;
- zfs_nicenum(examined, examined_buf, sizeof (examined_buf));
- zfs_nicenum(total, total_buf, sizeof (total_buf));
- zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
+ zfs_nicebytes(examined, examined_buf, sizeof (examined_buf));
+ zfs_nicebytes(total, total_buf, sizeof (total_buf));
/*
* do not print estimated time if hours_left is more than 30 days
+ * or we have a paused scrub
*/
- (void) printf(gettext(" %s scanned out of %s at %s/s"),
- examined_buf, total_buf, rate_buf);
- if (hours_left < (30 * 24)) {
- (void) printf(gettext(", %lluh%um to go\n"),
- (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
+ if (pause == 0) {
+ zfs_nicebytes(rate, rate_buf, sizeof (rate_buf));
+ (void) printf(gettext("\t%s scanned out of %s at %s/s"),
+ examined_buf, total_buf, rate_buf);
+ if (hours_left < (30 * 24)) {
+ (void) printf(gettext(", %lluh%um to go\n"),
+ (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
+ } else {
+ (void) printf(gettext(
+ ", (scan is slow, no estimated time)\n"));
+ }
} else {
- (void) printf(gettext(
- ", (scan is slow, no estimated time)\n"));
+ (void) printf(gettext("\t%s scanned out of %s\n"),
+ examined_buf, total_buf);
}
if (ps->pss_func == POOL_SCAN_RESILVER) {
- (void) printf(gettext(" %s resilvered, %.2f%% done\n"),
+ (void) printf(gettext("\t%s resilvered, %.2f%% done\n"),
processed_buf, 100 * fraction_done);
} else if (ps->pss_func == POOL_SCAN_SCRUB) {
- (void) printf(gettext(" %s repaired, %.2f%% done\n"),
+ (void) printf(gettext("\t%s repaired, %.2f%% done\n"),
processed_buf, 100 * fraction_done);
}
}
char *pathname;
size_t len = MAXPATHLEN * 2;
- if (zpool_get_errlog(zhp, &nverrlist) != 0) {
- (void) printf("errors: List of errors unavailable "
- "(insufficient privileges)\n");
+ if (zpool_get_errlog(zhp, &nverrlist) != 0)
return;
- }
(void) printf("errors: Permanent errors have been "
"detected in the following files:\n\n");
}
static void
-print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares,
- int namewidth)
+print_spares(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **spares,
+ uint_t nspares)
{
uint_t i;
char *name;
(void) printf(gettext("\tspares\n"));
for (i = 0; i < nspares; i++) {
- name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE);
- print_status_config(zhp, name, spares[i],
- namewidth, 2, B_TRUE);
+ name = zpool_vdev_name(g_zfs, zhp, spares[i],
+ cb->cb_name_flags);
+ print_status_config(zhp, cb, name, spares[i], 2, B_TRUE);
free(name);
}
}
static void
-print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache,
- int namewidth)
+print_l2cache(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **l2cache,
+ uint_t nl2cache)
{
uint_t i;
char *name;
(void) printf(gettext("\tcache\n"));
for (i = 0; i < nl2cache; i++) {
- name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE);
- print_status_config(zhp, name, l2cache[i],
- namewidth, 2, B_FALSE);
+ name = zpool_vdev_name(g_zfs, zhp, l2cache[i],
+ cb->cb_name_flags);
+ print_status_config(zhp, cb, name, l2cache[i], 2, B_FALSE);
free(name);
}
}
ddt_stat_t *dds;
ddt_object_t *ddo;
uint_t c;
+ char dspace[6], mspace[6];
/*
* If the pool was faulted then we may not have been able to
return;
}
- (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n",
+ zfs_nicebytes(ddo->ddo_dspace, dspace, sizeof (dspace));
+ zfs_nicebytes(ddo->ddo_mspace, mspace, sizeof (mspace));
+ (void) printf("DDT entries %llu, size %s on disk, %s in core\n",
(u_longlong_t)ddo->ddo_count,
- (u_longlong_t)ddo->ddo_dspace,
- (u_longlong_t)ddo->ddo_mspace);
+ dspace,
+ mspace);
verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
(uint64_t **)&dds, &c) == 0);
case ZPOOL_STATUS_BAD_LOG:
(void) printf(gettext("status: An intent log record "
"could not be read.\n"
- "\tWaiting for adminstrator intervention to fix the "
+ "\tWaiting for administrator intervention to fix the "
"faulted pool.\n"));
(void) printf(gettext("action: Either restore the affected "
"device(s) and run 'zpool online',\n"
msgid);
if (config != NULL) {
- int namewidth;
uint64_t nerr;
nvlist_t **spares, **l2cache;
uint_t nspares, nl2cache;
ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c);
print_scan_status(ps);
- namewidth = max_width(zhp, nvroot, 0, 0);
- if (namewidth < 10)
- namewidth = 10;
+ cbp->cb_namewidth = max_width(zhp, nvroot, 0, 0,
+ cbp->cb_name_flags | VDEV_NAME_TYPE_ID);
+ if (cbp->cb_namewidth < 10)
+ cbp->cb_namewidth = 10;
(void) printf(gettext("config:\n\n"));
- (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth,
- "NAME", "STATE", "READ", "WRITE", "CKSUM");
- print_status_config(zhp, zpool_get_name(zhp), nvroot,
- namewidth, 0, B_FALSE);
+ (void) printf(gettext("\t%-*s %-8s %5s %5s %5s"),
+ cbp->cb_namewidth, "NAME", "STATE", "READ", "WRITE",
+ "CKSUM");
+
+ if (cbp->vcdl != NULL)
+ print_cmd_columns(cbp->vcdl, 0);
+
+ printf("\n");
+ print_status_config(zhp, cbp, zpool_get_name(zhp), nvroot, 0,
+ B_FALSE);
if (num_logs(nvroot) > 0)
- print_logs(zhp, nvroot, namewidth, B_TRUE);
+ print_logs(zhp, cbp, nvroot);
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
&l2cache, &nl2cache) == 0)
- print_l2cache(zhp, l2cache, nl2cache, namewidth);
+ print_l2cache(zhp, cbp, l2cache, nl2cache);
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
&spares, &nspares) == 0)
- print_spares(zhp, spares, nspares, namewidth);
+ print_spares(zhp, cbp, spares, nspares);
if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
&nerr) == 0) {
}
/*
- * zpool status [-vx] [-T d|u] [pool] ... [interval [count]]
+ * zpool status [-c [script1,script2,...]] [-gLPvx] [-T d|u] [pool] ...
+ * [interval [count]]
*
+ * -c CMD For each vdev, run command CMD
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -P Display full path for vdev name.
* -v Display complete error logs
* -x Display only pools with potential problems
* -D Display dedup status (undocumented)
{
int c;
int ret;
- unsigned long interval = 0, count = 0;
+ float interval = 0;
+ unsigned long count = 0;
status_cbdata_t cb = { 0 };
+ char *cmd = NULL;
/* check options */
- while ((c = getopt(argc, argv, "vxDT:")) != -1) {
+ while ((c = getopt(argc, argv, "c:gLPvxDT:")) != -1) {
switch (c) {
+ case 'c':
+ if (cmd != NULL) {
+ fprintf(stderr,
+ gettext("Can't set -c flag twice\n"));
+ exit(1);
+ }
+
+ if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
+ fprintf(stderr, gettext(
+ "Can't run -c, disabled by "
+ "ZPOOL_SCRIPTS_ENABLED.\n"));
+ exit(1);
+ }
+
+ if ((getuid() <= 0 || geteuid() <= 0) &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
+ fprintf(stderr, gettext(
+ "Can't run -c with root privileges "
+ "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
+ exit(1);
+ }
+ cmd = optarg;
+ break;
+ case 'g':
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
+ case 'P':
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ break;
case 'v':
cb.cb_verbose = B_TRUE;
break;
get_timestamp_arg(*optarg);
break;
case '?':
- (void) fprintf(stderr, gettext("invalid option '%c'\n"),
- optopt);
+ if (optopt == 'c') {
+ print_zpool_script_list("status");
+ exit(0);
+ } else {
+ fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ }
usage(B_FALSE);
}
}
cb.cb_allpools = B_TRUE;
cb.cb_first = B_TRUE;
+ cb.cb_print_status = B_TRUE;
for (;;) {
if (timestamp_fmt != NODATE)
print_timestamp(timestamp_fmt);
+ if (cmd != NULL)
+ cb.vcdl = all_pools_for_each_vdev_run(argc, argv, cmd,
+ NULL, NULL, 0, 0);
+
ret = for_each_pool(argc, argv, B_TRUE, NULL,
status_callback, &cb);
+ if (cb.vcdl != NULL)
+ free_vdev_cmd_data_list(cb.vcdl);
+
if (argc == 0 && cb.cb_count == 0)
(void) fprintf(stderr, gettext("no pools available\n"));
else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
if (count != 0 && --count == 0)
break;
- (void) sleep(interval);
+ (void) fsleep(interval);
}
return (0);
char **cb_argv;
} upgrade_cbdata_t;
+static int
+check_unsupp_fs(zfs_handle_t *zhp, void *unsupp_fs)
+{
+ int zfs_version = (int)zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
+ int *count = (int *)unsupp_fs;
+
+ if (zfs_version > ZPL_VERSION) {
+ (void) printf(gettext("%s (v%d) is not supported by this "
+ "implementation of ZFS.\n"),
+ zfs_get_name(zhp), zfs_version);
+ (*count)++;
+ }
+
+ zfs_iter_filesystems(zhp, check_unsupp_fs, unsupp_fs);
+
+ zfs_close(zhp);
+
+ return (0);
+}
+
static int
upgrade_version(zpool_handle_t *zhp, uint64_t version)
{
int ret;
nvlist_t *config;
uint64_t oldversion;
+ int unsupp_fs = 0;
config = zpool_get_config(zhp, NULL);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
assert(SPA_VERSION_IS_SUPPORTED(oldversion));
assert(oldversion < version);
+ ret = zfs_iter_root(zpool_get_handle(zhp), check_unsupp_fs, &unsupp_fs);
+ if (ret != 0)
+ return (ret);
+
+ if (unsupp_fs) {
+ (void) fprintf(stderr, gettext("Upgrade not performed due "
+ "to %d unsupported filesystems (max v%d).\n"),
+ unsupp_fs, (int)ZPL_VERSION);
+ return (1);
+ }
+
ret = zpool_upgrade(zhp, version);
if (ret != 0)
return (ret);
if (version >= SPA_VERSION_FEATURES) {
(void) printf(gettext("Successfully upgraded "
"'%s' from version %llu to feature flags.\n"),
- zpool_get_name(zhp), (u_longlong_t) oldversion);
+ zpool_get_name(zhp), (u_longlong_t)oldversion);
} else {
(void) printf(gettext("Successfully upgraded "
"'%s' from version %llu to version %llu.\n"),
- zpool_get_name(zhp), (u_longlong_t) oldversion,
- (u_longlong_t) version);
+ zpool_get_name(zhp), (u_longlong_t)oldversion,
+ (u_longlong_t)version);
}
return (0);
int ret;
if (strcmp("log", zpool_get_name(zhp)) == 0) {
- (void) printf(gettext("'log' is now a reserved word\n"
+ (void) fprintf(stderr, gettext("'log' is now a reserved word\n"
"Pool 'log' must be renamed using export and import"
" to upgrade.\n"));
return (1);
if (cur_version > cbp->cb_version) {
(void) printf(gettext("Pool '%s' is already formatted "
"using more current version '%llu'.\n\n"),
- zpool_get_name(zhp), (u_longlong_t) cur_version);
+ zpool_get_name(zhp), (u_longlong_t)cur_version);
return (0);
}
if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
(void) printf(gettext("Pool '%s' is already formatted "
"using version %llu.\n\n"), zpool_get_name(zhp),
- (u_longlong_t) cbp->cb_version);
+ (u_longlong_t)cbp->cb_version);
return (0);
}
"---------------\n");
for (i = 0; i < SPA_FEATURES; i++) {
zfeature_info_t *fi = &spa_feature_table[i];
- const char *ro = fi->fi_can_readonly ?
+ const char *ro =
+ (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
" (read-only compatible)" : "";
(void) printf("%-37s%s\n", fi->fi_uname, ro);
} else {
(void) printf(gettext("All pools are already "
"formatted with version %llu or higher.\n"),
- (u_longlong_t) cb.cb_version);
+ (u_longlong_t)cb.cb_version);
}
}
} else if (argc == 0) {
}
(void) printf("%s [internal %s txg:%lld] %s", tbuf,
zfs_history_event_names[ievent],
- (longlong_t) fnvlist_lookup_uint64(
+ (longlong_t)fnvlist_lookup_uint64(
rec, ZPOOL_HIST_TXG),
fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR));
} else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) {
if (!cb->internal)
continue;
(void) printf("%s [txg:%lld] %s", tbuf,
- (longlong_t) fnvlist_lookup_uint64(
+ (longlong_t)fnvlist_lookup_uint64(
rec, ZPOOL_HIST_TXG),
fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME));
if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) {
} ev_opts_t;
static void
-zpool_do_events_short(nvlist_t *nvl)
+zpool_do_events_short(nvlist_t *nvl, ev_opts_t *opts)
{
char ctime_str[26], str[32], *ptr;
int64_t *tv;
(void) strncpy(str+7, ctime_str+20, 4); /* '1993' */
(void) strncpy(str+12, ctime_str+11, 8); /* '21:49:08' */
(void) sprintf(str+20, ".%09lld", (longlong_t)tv[1]); /* '.123456789' */
- (void) printf(gettext("%s "), str);
+ if (opts->scripted)
+ (void) printf(gettext("%s\t"), str);
+ else
+ (void) printf(gettext("%s "), str);
verify(nvlist_lookup_string(nvl, FM_CLASS, &ptr) == 0);
(void) printf(gettext("%s\n"), ptr);
case DATA_TYPE_UINT64:
(void) nvpair_value_uint64(nvp, &i64);
- printf(gettext("0x%llx"), (u_longlong_t)i64);
+ /*
+ * translate vdev state values to readable
+ * strings to aide zpool events consumers
+ */
+ if (strcmp(name,
+ FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE) == 0 ||
+ strcmp(name,
+ FM_EREPORT_PAYLOAD_ZFS_VDEV_LASTSTATE) == 0) {
+ printf(gettext("\"%s\" (0x%llx)"),
+ zpool_state_to_name(i64, VDEV_AUX_NONE),
+ (u_longlong_t)i64);
+ } else {
+ printf(gettext("0x%llx"), (u_longlong_t)i64);
+ }
break;
case DATA_TYPE_HRTIME:
if (dropped > 0)
(void) printf(gettext("dropped %d events\n"), dropped);
- zpool_do_events_short(nvl);
+ zpool_do_events_short(nvl, opts);
if (opts->verbose) {
zpool_do_events_nvprint(nvl, 8);
NULL, NULL);
}
} else {
- if (zpool_get_prop_literal(zhp, pl->pl_prop, value,
+ if (zpool_get_prop(zhp, pl->pl_prop, value,
sizeof (value), &srctype, cbp->cb_literal) != 0)
continue;
return (0);
}
+/*
+ * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ...
+ *
+ * -H Scripted mode. Don't display headers, and separate properties
+ * by a single tab.
+ * -o List of columns to display. Defaults to
+ * "name,property,value,source".
+ * -p Display values in parsable (exact) format.
+ *
+ * Get properties of pools in the system. Output space statistics
+ * for each one as well as other attributes.
+ */
int
zpool_do_get(int argc, char **argv)
{
zprop_get_cbdata_t cb = { 0 };
zprop_list_t fake_name = { 0 };
- int c, ret;
+ int ret;
+ int c, i;
+ char *value;
+
+ cb.cb_first = B_TRUE;
+
+ /*
+ * Set up default columns and sources.
+ */
+ cb.cb_sources = ZPROP_SRC_ALL;
+ cb.cb_columns[0] = GET_COL_NAME;
+ cb.cb_columns[1] = GET_COL_PROPERTY;
+ cb.cb_columns[2] = GET_COL_VALUE;
+ cb.cb_columns[3] = GET_COL_SOURCE;
+ cb.cb_type = ZFS_TYPE_POOL;
/* check options */
- while ((c = getopt(argc, argv, "p")) != -1) {
+ while ((c = getopt(argc, argv, ":Hpo:")) != -1) {
switch (c) {
case 'p':
cb.cb_literal = B_TRUE;
break;
+ case 'H':
+ cb.cb_scripted = B_TRUE;
+ break;
+ case 'o':
+ bzero(&cb.cb_columns, sizeof (cb.cb_columns));
+ i = 0;
+ while (*optarg != '\0') {
+ static char *col_subopts[] =
+ { "name", "property", "value", "source",
+ "all", NULL };
+
+ if (i == ZFS_GET_NCOLS) {
+ (void) fprintf(stderr, gettext("too "
+ "many fields given to -o "
+ "option\n"));
+ usage(B_FALSE);
+ }
+ switch (getsubopt(&optarg, col_subopts,
+ &value)) {
+ case 0:
+ cb.cb_columns[i++] = GET_COL_NAME;
+ break;
+ case 1:
+ cb.cb_columns[i++] = GET_COL_PROPERTY;
+ break;
+ case 2:
+ cb.cb_columns[i++] = GET_COL_VALUE;
+ break;
+ case 3:
+ cb.cb_columns[i++] = GET_COL_SOURCE;
+ break;
+ case 4:
+ if (i > 0) {
+ (void) fprintf(stderr,
+ gettext("\"all\" conflicts "
+ "with specific fields "
+ "given to -o option\n"));
+ usage(B_FALSE);
+ }
+ cb.cb_columns[0] = GET_COL_NAME;
+ cb.cb_columns[1] = GET_COL_PROPERTY;
+ cb.cb_columns[2] = GET_COL_VALUE;
+ cb.cb_columns[3] = GET_COL_SOURCE;
+ i = ZFS_GET_NCOLS;
+ break;
+ default:
+ (void) fprintf(stderr,
+ gettext("invalid column name "
+ "'%s'\n"), value);
+ usage(B_FALSE);
+ }
+ }
+ break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
usage(B_FALSE);
}
- cb.cb_first = B_TRUE;
- cb.cb_sources = ZPROP_SRC_ALL;
- cb.cb_columns[0] = GET_COL_NAME;
- cb.cb_columns[1] = GET_COL_PROPERTY;
- cb.cb_columns[2] = GET_COL_VALUE;
- cb.cb_columns[3] = GET_COL_SOURCE;
- cb.cb_type = ZFS_TYPE_POOL;
-
- if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
+ if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist,
+ ZFS_TYPE_POOL) != 0)
usage(B_FALSE);
argc--;
int
main(int argc, char **argv)
{
- int ret;
+ int ret = 0;
int i = 0;
char *cmdname;
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
+ srand(time(NULL));
opterr = 0;
if ((strcmp(cmdname, "-?") == 0) || strcmp(cmdname, "--help") == 0)
usage(B_TRUE);
- if ((g_zfs = libzfs_init()) == NULL)
+ if ((g_zfs = libzfs_init()) == NULL) {
+ (void) fprintf(stderr, "%s", libzfs_error_init(errno));
return (1);
+ }
libzfs_print_on_error(g_zfs, B_TRUE);
* 'freeze' is a vile debugging abomination, so we treat
* it as such.
*/
- char buf[16384];
- int fd = open(ZFS_DEV, O_RDWR);
- (void) strcpy((void *)buf, argv[2]);
- return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf));
+ zfs_cmd_t zc = {"\0"};
+
+ (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
+ ret = zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc);
+ if (ret != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to freeze pool: %d\n"), errno);
+ ret = 1;
+ }
+
+ log_history = 0;
} else {
(void) fprintf(stderr, gettext("unrecognized "
"command '%s'\n"), cmdname);