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| author | Karel Zak | 2014-04-10 09:58:36 +0200 |
|---|---|---|
| committer | Karel Zak | 2014-04-10 09:58:36 +0200 |
| commit | 004ff2d6964ea68c0e11f82aa1fe09af00568924 (patch) | |
| tree | 492fa59b2fd412ab3de40a103189b7c5eb47b687 /sys-utils/fstrim.8 | |
| parent | fstrim: daily -> weekly in systemd timer (diff) | |
| download | kernel-qcow2-util-linux-004ff2d6964ea68c0e11f82aa1fe09af00568924.tar.gz kernel-qcow2-util-linux-004ff2d6964ea68c0e11f82aa1fe09af00568924.tar.xz kernel-qcow2-util-linux-004ff2d6964ea68c0e11f82aa1fe09af00568924.zip | |
fstrim: add hint to man page
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/fstrim.8')
| -rw-r--r-- | sys-utils/fstrim.8 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys-utils/fstrim.8 b/sys-utils/fstrim.8 index 8f68351b1..ae331e310 100644 --- a/sys-utils/fstrim.8 +++ b/sys-utils/fstrim.8 @@ -29,6 +29,15 @@ The .I mountpoint argument is the pathname of the directory where the filesystem is mounted. +.PP +Running +.B fstrim +more frequently or even using +.B mount -o discard +might affect lifetime of the poor quality SSD devices. The usual sufficient +frequency is once a week for most desktop and server systems. Note that not all +devices support queued trim, so each trim command incur a performance penalty +to whatever else might be trying to use the disk at the time. .SH OPTIONS The \fIoffset\fR, \fIlength\fR, and \fIminimum-free-extent\fR arguments may be |