]>
git.proxmox.com Git - pve-storage.git/blob - PVE/Diskmanage.pm
1 package PVE
::Diskmanage
;
9 use PVE
::Tools
qw(extract_param run_command file_get_contents file_read_firstline dir_glob_regex dir_glob_foreach trim);
11 my $SMARTCTL = "/usr/sbin/smartctl";
12 my $ZPOOL = "/sbin/zpool";
13 my $SGDISK = "/sbin/sgdisk";
14 my $PVS = "/sbin/pvs";
15 my $UDEVADM = "/bin/udevadm";
17 sub verify_blockdev_path
{
20 die "missing path" if !$rel_path;
21 my $path = abs_path
($rel_path);
22 die "failed to get absolute path to $rel_path\n" if !$path;
24 die "got unusual device path '$path'\n" if $path !~ m
|^/dev/(.*)$|;
26 $path = "/dev/$1"; # untaint
28 assert_blockdev
($path);
34 my ($dev, $noerr) = @_;
36 if ($dev !~ m
|^/dev/| || !(-b
$dev)) {
37 return undef if $noerr;
38 die "not a valid block device\n";
45 my ($disk, $uuid) = @_;
47 assert_blockdev
($disk);
49 # we should already have checked if it is in use in the api call
50 # but we check again for safety
51 die "disk $disk is already in use\n" if disk_is_used
($disk);
53 my $id = $uuid || 'R';
54 run_command
([$SGDISK, $disk, '-U', $id]);
64 my $disklist = get_disks
($dev);
66 die "'$disk' is not a valid local disk\n" if !defined($disklist->{$dev});
67 return 1 if $disklist->{$dev}->{used
};
75 assert_blockdev
($disk);
80 run_command
([$SMARTCTL, '-a', '-f', 'brief', $disk], outfunc
=> sub{
83 if ($datastarted && $line =~ m/^[ \d]{2}\d/) {
85 my @data = split /\s+/, $line;
87 $entry->{name
} = $data[1];
88 $entry->{flags
} = $data[2];
89 # the +0 makes a number out of the strings
90 $entry->{value
} = $data[3] + 0;
91 $entry->{worst
} = $data[4] + 0;
92 $entry->{threshold
} = $data[5] + 0;
93 $entry->{fail
} = $data[6];
94 $entry->{raw
} = $data[7];
95 $entry->{id
} = $data[0];
96 push @{$smartdata->{attributes
}}, $entry;
97 } elsif ($line =~ m/self\-assessment test result: (.*)$/) {
98 $smartdata->{health
} = $1;
99 } elsif ($line =~ m/Vendor Specific SMART Attributes with Thresholds:/) {
104 die "Error getting S.M.A.R.T. data: $@\n" if $@;
105 $smartdata->{health
} = 'UNKOWN' if !defined $smartdata->{health
};
109 sub get_smart_health
{
112 return "NOT A DEVICE" if !assert_blockdev
($disk, 1);
114 my $message = "UNKOWN";
117 run_command
([$SMARTCTL, '-H', $disk], outfunc
=> sub {
120 if ($line =~ m/test result: (.*)$/) {
122 } elsif ($line =~ m/open device: (.*) failed: (.*)$/) {
123 $message = "FAILED TO OPEN";
124 } elsif ($line =~ m/^SMART Disabled/) {
125 $message = "SMART DISABLED";
129 # we ignore errors here because by default we want to return UNKNOWN
134 sub get_zfs_devices
{
137 # use zpool and parttype uuid,
138 # because log and cache do not have
141 run_command
([$ZPOOL, 'list', '-HPLv'], outfunc
=> sub {
144 if ($line =~ m
|^\t([^\t]+)\t|) {
151 # because maybe zfs tools are not installed
154 my $applezfsuuid = "6a898cc3-1dd2-11b2-99a6-080020736631";
155 my $bsdzfsuuid = "516e7cba-6ecf-11d6-8ff8-00022d09712b";
157 dir_glob_foreach
('/dev/disk/by-parttypeuuid', "($applezfsuuid|$bsdzfsuuid)\..+", sub {
159 my $real_dev = abs_path
("/dev/disk/by-parttypeuuid/$entry");
160 $list->{$real_dev} = 1;
166 sub get_lvm_devices
{
169 run_command
([$PVS, '--noheadings', '--readonly', '-o', 'pv_name'], outfunc
=> sub{
172 if ($line =~ m
|^/dev/|) {
178 # if something goes wrong, we do not want
179 # to give up, but indicate an error has occured
182 my $lvmuuid = "e6d6d379-f507-44c2-a23c-238f2a3df928";
184 dir_glob_foreach
('/dev/disk/by-parttypeuuid', "$lvmuuid\..+", sub {
186 my $real_dev = abs_path
("/dev/disk/by-parttypeuuid/$entry");
187 $list->{$real_dev} = 1;
193 sub get_ceph_journals
{
194 my $journalhash = {};
196 my $journal_uuid = '45b0969e-9b03-4f30-b4c6-b4b80ceff106';
198 dir_glob_foreach
('/dev/disk/by-parttypeuuid', "$journal_uuid\..+", sub {
200 my $real_dev = abs_path
("/dev/disk/by-parttypeuuid/$entry");
201 $journalhash->{$real_dev} = 1;
213 run_command
([$UDEVADM, 'info', '-n', $dev, '--query', 'all'], outfunc
=> sub {
219 return undef if !$info;
221 return undef if $info !~ m/^E: DEVTYPE=disk$/m;
222 return undef if $info =~ m/^E: ID_CDROM/m;
224 # we use this, because some disks are not simply in /dev
225 # e.g. /dev/cciss/c0d0
226 if ($info =~ m/^E: DEVNAME=(\S+)$/m) {
227 $data->{devpath
} = $1;
229 return if !defined($data->{devpath
});
231 $data->{serial
} = 'unknown';
232 if ($info =~ m/^E: ID_SERIAL_SHORT=(\S+)$/m) {
233 $data->{serial
} = $1;
237 if ($info =~ m/^E: ID_PART_TABLE_TYPE=gpt$/m) {
243 if ($info =~ m/^E: ID_ATA_ROTATION_RATE_RPM=(\d+)$/m) {
247 if ($info =~ m/^E: ID_BUS=usb$/m) {
251 $data->{wwn
} = 'unknown';
252 if ($info =~ m/^E: ID_WWN=(.*)$/m) {
259 sub get_sysdir_info
{
264 my $size = file_read_firstline
("$sysdir/size");
265 return undef if !$size;
267 # linux always considers sectors to be 512 bytes,
268 # independently of real block size
269 $data->{size
} = $size * 512;
271 # dir/queue/rotational should be 1 for hdd, 0 for ssd
272 $data->{rotational
} = file_read_firstline
("$sysdir/queue/rotational");
274 $data->{vendor
} = file_read_firstline
("$sysdir/device/vendor") || 'unknown';
275 $data->{model
} = file_read_firstline
("$sysdir/device/model") || 'unknown';
286 my $mounts = PVE
::ProcFSTools
::parse_proc_mounts
();
288 foreach my $mount (@$mounts) {
289 next if $mount->[0] !~ m
|^/dev/|;
290 $mounted->{abs_path
($mount->[0])} = $mount->[1];
293 my $dev_is_mounted = sub {
295 return $mounted->{$dev};
298 my $dir_is_empty = sub {
301 my $dh = IO
::Dir-
>new ($dir);
304 while (defined(my $tmp = $dh->read)) {
305 next if $tmp eq '.' || $tmp eq '..';
313 my $journalhash = get_ceph_journals
();
315 my $zfslist = get_zfs_devices
();
317 my $lvmlist = get_lvm_devices
();
319 dir_glob_foreach
('/sys/block', '.*', sub {
321 return if defined($disk) && $disk ne $dev;
322 # whitelisting following devices
323 # hdX: ide block device
324 # sdX: sd block device
325 # vdX: virtual block device
326 # xvdX: xen virtual block device
327 # nvmeXnY: nvme devices
328 # cXnY: cciss devices
329 return if $dev !~ m/^(h|s|x?v)d[a-z]+$/ &&
330 $dev !~ m/^nvme\d+n\d+$/ &&
331 $dev !~ m/^c\d+d\d+$/;
333 my $data = get_udev_info
($dev);
334 return if !defined($data);
335 my $devpath = $data->{devpath
};
337 my $sysdir = "/sys/block/$dev";
339 return if ! -d
"$sysdir/device";
341 # we do not want iscsi devices
342 return if readlink($sysdir) =~ m
|host
[^/]*/session
[^/]*|;
344 my $sysdata = get_sysdir_info
($sysdir);
345 return if !defined($sysdata);
347 my $type = 'unknown';
349 if ($sysdata->{rotational
} == 0) {
352 } elsif ($sysdata->{rotational
} == 1) {
353 if ($data->{rpm
} != -1) {
355 } elsif ($data->{usb
}) {
363 if ($type eq 'ssd' && !defined($disk)) {
364 # if we have an ssd we try to get the wearout indicator
365 my $smartdata = get_smart_data
($devpath);
366 $health = $smartdata->{health
};
367 foreach my $attr (@{$smartdata->{attributes
}}) {
368 # ID 233 is media wearout indicator on intel and sandisk
369 # ID 177 is media wearout indicator on samsung
370 next if ($attr->{id
} != 233 && $attr->{id
} != 177);
371 next if ($attr->{name
} !~ m/wear/i);
372 $wearout = $attr->{value
};
374 # prefer the 233 value
375 last if ($attr->{id
} == 233);
378 $wearout = 'N/A' if !defined($wearout);
379 } elsif (!defined($disk)) {
380 # we do not need smart data if we check a single disk
381 # because this functionality is only for disk_is_used
382 $health = get_smart_health
($devpath) if !defined($disk);
387 $used = 'LVM' if $lvmlist->{$devpath};
389 $used = 'mounted' if &$dev_is_mounted($devpath);
391 $used = 'ZFS' if $zfslist->{$devpath};
393 $disklist->{$dev} = {
394 vendor
=> $sysdata->{vendor
},
395 model
=> $sysdata->{model
},
396 size
=> $sysdata->{size
},
397 serial
=> $data->{serial
},
409 my $journal_count = 0;
411 my $found_partitions;
413 my $found_mountpoints;
416 my $partpath = $devpath;
418 # remove part after last / to
419 # get the base path for the partitions
420 # e.g. from /dev/cciss/c0d0 get /dev/cciss
421 $partpath =~ s/\/[^\/]+$//;
423 dir_glob_foreach
("$sysdir", "$dev.+", sub {
426 $found_partitions = 1;
428 if (my $mp = &$dev_is_mounted("$partpath/$part")) {
429 $found_mountpoints = 1;
430 if ($mp =~ m
|^/var/lib
/ceph/osd/ceph-
(\d
+)$|) {
435 if ($lvmlist->{"$partpath/$part"}) {
439 if ($zfslist->{"$partpath/$part"}) {
443 $journal_count++ if $journalhash->{"$partpath/$part"};
445 if (!&$dir_is_empty("$sysdir/$part/holders") && !$found_lvm) {
450 $used = 'mounted' if $found_mountpoints && !$used;
451 $used = 'LVM' if $found_lvm && !$used;
452 $used = 'ZFS' if $found_zfs && !$used;
453 $used = 'Device Mapper' if $found_dm && !$used;
454 $used = 'partitions' if $found_partitions && !$used;
456 # multipath, software raid, etc.
457 # this check comes in last, to show more specific info
459 $used = 'Device Mapper' if !$used && !&$dir_is_empty("$sysdir/holders");
461 $disklist->{$dev}->{used
} = $used if $used;
462 $disklist->{$dev}->{osdid
} = $osdid;
463 $disklist->{$dev}->{journals
} = $journal_count;