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4570 Document dedupditto pool property

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4572 Dedup-related documentation additions for zpool and zdb.
1371 Add -D option description to zpool(1M) manpage

illumos/illumos-gate@e902ed8e4d
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Xin LI 2014-03-20 19:23:38 +00:00
parent 90eb4a54b8
commit f229e93184
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor/illumos/dist/; revision=263437
2 changed files with 42 additions and 0 deletions
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6
man/man1m/zdb.1m
View File

@ -133,6 +133,12 @@ compression ratio (compress), inflation due to the zfs copies property
If specified twice, display a histogram of deduplication statistics, showing
the allocated (physically present on disk) and referenced (logically
referenced in the pool) block counts and sizes by reference count.
.sp
If specified a third time, display the statistics independently for each deduplication table.
.sp
If specified a fourth time, dump the contents of the deduplication tables describing duplicate blocks.
.sp
If specified a fifth time, also dump the contents of the deduplication tables describing unique blocks.
.RE
.sp

36
man/man1m/zpool.1m
View File

@ -761,6 +761,19 @@ such that it is available even if the pool becomes faulted. An administrator
can provide additional information about a pool using this property.
.RE
.sp
.ne 2
.na
\fB\fBdedupditto\fR=\fB\fInumber\fR\fR
.ad
.sp .6
.RS 4n
Threshold for the number of block ditto copies. If the reference count for a
deduplicated block increases above this number, a new ditto copy of this block
is automatically stored. The default setting is 0 which causes no ditto copies
to be created for deduplicated blocks. The miniumum legal nonzero setting is 100.
.RE
.sp
.ne 2
.na
@ -1792,6 +1805,29 @@ Displays verbose data error information, printing out a complete list of all
data errors since the last complete pool scrub.
.RE
.sp
.ne 2
.na
\fB\fB-D\fR\fR
.ad
.RS 6n
Display a histogram of deduplication statistics, showing the allocated (physically present on disk) and
referenced (logically referenced in the pool) block counts and sizes by reference count.
.RE
.sp
.ne 2
.na
\fB\fB-T\fR \fBu\fR | \fBd\fR\fR
.ad
.RS 12n
Display a time stamp.
.sp
Specify \fBu\fR for a printed representation of the internal representation of
time. See \fBtime\fR(2). Specify \fBd\fR for standard date format. See
\fBdate\fR(1).
.RE
.RE
.sp