Document the dedupditto pool property.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1839
This commit is contained in:
Tim Chase 2013-11-07 22:45:39 -06:00 committed by Brian Behlendorf
parent b695c34ea4
commit b1d13a60d1

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@ -677,6 +677,17 @@ Multiple pools can share the same cache file. Because the kernel destroys and re
A text string consisting of printable ASCII characters that will be stored 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
.mk
.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
.mk