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| author | Mike Snitzer <snitzer@redhat.com> | 2011-04-12 21:59:01 +0000 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2011-04-12 21:59:01 +0000 |
| commit | fdc8670327c7d11b4a23d47324ecd18e6168973f (patch) | |
| tree | c92f231d430126a1d992479241c6e78eb45cab72 /man/lvm.conf.5.in | |
| parent | 116362d11b9ba9975d1418cc5d50185627bbf825 (diff) | |
| download | lvm2-fdc8670327c7d11b4a23d47324ecd18e6168973f.tar.gz lvm2-fdc8670327c7d11b4a23d47324ecd18e6168973f.tar.xz lvm2-fdc8670327c7d11b4a23d47324ecd18e6168973f.zip | |
Add "devices/issue_discards" to lvm.conf.
Issue discards on lvremove if enabled and both storage and kernel have support.
Diffstat (limited to 'man/lvm.conf.5.in')
| -rw-r--r-- | man/lvm.conf.5.in | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/man/lvm.conf.5.in b/man/lvm.conf.5.in index 2baca9bd..0b0accfc 100644 --- a/man/lvm.conf.5.in +++ b/man/lvm.conf.5.in @@ -180,6 +180,13 @@ ignore devices smaller than 2MB (i.e. floppy drives): .IP pv_min_size = 2048 .IP +\fBissue_discards\fP \(em +Issue discards to an LV's underlying PV(s) when the LV is removed. Discards +inform the storage that a region is no longer in use. If set to 1, discards will +only be issued if both the storage and kernel provide support. Not all storage +will support or benefit from discards but SSDs or thinly provisioned LUNs +generally do. +.IP .TP \fBallocation\fP \(em Space allocation policies .IP |