Imported Upstream version 0.6.4.2

[mirror_zfs-debian.git] / man / man8 / zdb.8

diff --git a/man/man8/zdb.8 b/man/man8/zdb.8
index 6f4f40d1c59ceb352a934f900ad2a8c56059e828..2bfe9683b1697bc50456fc6e282db95ae2088b60 100644 (file)
--- a/man/man8/zdb.8
+++ b/man/man8/zdb.8
@@ -19,16 +19,16 @@
 \fBzdb\fR - Display zpool debugging and consistency information
 
 .SH "SYNOPSIS"
-\fBzdb\fR [-CumdibcsDvhLXFPA] [-e [-p \fIpath\fR...]] [-t \fItxg\fR]
-    [-U \fIcache\fR] [-M \fIinflight I/Os\fR] [\fIpoolname\fR
-    [\fIobject\fR ...]]
+\fBzdb\fR [-CumdibcsDvhLMXFPA] [-e [-p \fIpath\fR...]] [-t \fItxg\fR]
+    [-U \fIcache\fR] [-I \fIinflight I/Os\fR]
+    [\fIpoolname\fR [\fIobject\fR ...]]
 
 .P
 \fBzdb\fR [-divPA] [-e [-p \fIpath\fR...]] [-U \fIcache\fR]
     \fIdataset\fR [\fIobject\fR ...]
 
 .P
-\fBzdb\fR -m [-LXFPA] [-t \fItxg\fR] [-e [-p \fIpath\fR...]] [-U \fIcache\fR]
+\fBzdb\fR -m [-MLXFPA] [-t \fItxg\fR] [-e [-p \fIpath\fR...]] [-U \fIcache\fR]
     \fIpoolname\fR [\fIvdev\fR [\fImetaslab\fR ...]]
 
 .P
@@ -194,6 +194,21 @@ verifies that all non-free blocks are referenced, which can be very expensive.
 .sp .6
 .RS 4n
 Display the offset, spacemap, and free space of each metaslab.
+When specified twice, also display information about the on-disk free
+space histogram associated with each metaslab. When specified three time,
+display the maximum contiguous free space, the in-core free space histogram,
+and the percentage of free space in each space map.  When specified
+four times display every spacemap record.
+.RE
+
+.sp
+.ne 2
+.na
+\fB-M\fR
+.ad
+.sp .6
+.RS 4n
+Display the offset, spacemap, and free space of each metaslab.
 When specified twice, also display information about the maximum contiguous
 free space and the percentage of free space in each space map.  When specified
 three times display every spacemap record.
@@ -366,7 +381,7 @@ transactions.
 .sp
 .ne 2
 .na
-\fB-M \fIinflight I/Os\fR \fR
+\fB-I \fIinflight I/Os\fR \fR
 .ad
 .sp .6
 .RS 4n
@@ -429,6 +444,17 @@ Attempt \'extreme\' transaction rewind, that is attempt the same recovery as
 \fB-F\fR but read transactions otherwise deemed too old.
 .RE
 
+.sp
+.ne 2
+.na
+\fB-V\fR
+.ad
+.sp .6
+.RS 4n
+Attempt a verbatim import. This mimics the behavior of the kernel when loading
+a pool from a cachefile.
+.RE
+
 .P
 Specifying a display option more than once enables verbosity for only that
 option, with more occurrences enabling more verbosity.
@@ -500,5 +526,10 @@ dedup = 1.11, compress = 1.80, copies = 1.00, dedup * compress / copies = 2.00
 .in -2
 .sp
 
+.SH "ENVIRONMENT VARIABLES"
+.TP
+.B "SPA_CONFIG_PATH"
+Override the default \fBspa_config_path\fR (\fI/etc/zfs/zpool.cache\fR) setting. If \fB-U\fR flag is specified it will override this environment variable settings once again.
+
 .SH "SEE ALSO"
 zfs(8), zpool(8)