diff options
| author | Karel Zak <kzak@redhat.com> | 2014-04-10 09:58:36 +0200 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2014-04-23 11:55:09 +0200 |
| commit | 8d3f179fcc5c80f53edad1deccf8b88d05344d4e (patch) | |
| tree | 95d2a4154ccd4be69faac33cc263e32e19111b9b | |
| parent | 663e9afbf68bc1adbbd5a1a0b24391603bd40b74 (diff) | |
| download | util-linux-8d3f179fcc5c80f53edad1deccf8b88d05344d4e.tar.gz | |
fstrim: add hint to man page
Signed-off-by: Karel Zak <kzak@redhat.com>
| -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 |