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man: expand lvchange --discard entry

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Alasdair G Kergon 2012-08-07 20:20:16 +01:00
parent 1ca813083f
commit 597590da74
1 changed files with 6 additions and 1 deletions
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7
man/lvchange.8.in
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@ -73,7 +73,12 @@ logical volume's allocation policy to contiguous, if all of the
allocated physical extents are already contiguous.
.TP
.BR \-\-discard " {" \fIignore | \fInopassdown | \fIpassdown }
Change discard behavior.
Set this to \fIignore\fP to ignore any discards received by a
thin pool Logical Volume. Set to \fInopassdown\fP to process such
discards within the thin pool itself and allow the no-longer-needed
extents to be overwritten by new data. Set to \fIpassdown\fP to
process them both within the thin pool itself and to pass them down
the underlying device.
.TP
.B \-\-resync
Forces the complete resynchronization of a mirror. In normal