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rc: allow to disable trim for the brave

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Requires fiddling with /etc/fstab, at least that is a file
that we never touch.  It's harder for installs that need
TRIM to be off all the time as the first boot does actually
enable it.  That means after the install is complete it needs
to be CTRL+C'ed and the fstab entry modified before reboot.

PR: https://forum.opnsense.org/index.php?topic=3044
This commit is contained in:
Franco Fichtner 2016-05-23 08:28:29 +02:00
parent 39eed8a108
commit 68d539af4f
1 changed files with 7 additions and 1 deletions
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8
src/etc/rc
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@ -35,7 +35,13 @@ while read FS_PART FS_MNT FS_TYPE FS_MORE; do
FS_DEV=$(echo ${FS_PART} | awk 'match($0, /\/dev\/([a-z]+[0-9]+)/) { print substr( $0, RSTART, RLENGTH )}')
FS_TRIM=$(camcontrol identify ${FS_DEV} | grep TRIM | awk '{ print $5; }')
if [ "${FS_TRIM}" = "yes" ]; then
tunefs -t enable ${FS_MNT}
# appending "# notrim" to the /etc/fstab entry
# will allow to strip trim and leave it disabled
if echo "${FS_MORE}" | grep -iq notrim; then
tunefs -t disable ${FS_MNT}
else
tunefs -t enable ${FS_MNT}
fi
fi
done < /etc/fstab