From 004ff2d6964ea68c0e11f82aa1fe09af00568924 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 10 Apr 2014 09:58:36 +0200 Subject: fstrim: add hint to man page Signed-off-by: Karel Zak --- sys-utils/fstrim.8 | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'sys-utils/fstrim.8') 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 -- cgit v1.2.3-55-g7522