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Mount the disk (the root slice) as read-only before running the fsck in the preen mode.

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This force the flush of all pending writes to disk and thus put the disk in a consistent state.

The second effect of this change is that the file system can actually be recovered now, because otherwise with the root slice mounted as read-write, the fsck cannot write any changes.
This commit is contained in:
Luiz Souza 2017-10-13 19:31:33 -05:00
parent 2448d0fc1f
commit 286cd23124
1 changed files with 7 additions and 0 deletions
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7
src/etc/pfSense-rc
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@ -69,6 +69,7 @@ fsck_forced_iterations=`/bin/kenv -q pfsense.fsck.force`
if [ ! -z "${fsck_forced_iterations}" ]; then
echo "Forcing filesystem check (${fsck_forced_iterations} times)..."
while [ ${fsck_forced_iterations} -gt 0 ]; do
/sbin/mount -ur /
/sbin/fsck -y -t ufs
fsck_forced_iterations=$((fsck_forced_iterations - 1))
done
@ -78,6 +79,12 @@ if [ -e /root/force_growfs ]; then
/etc/rc.d/growfs onestart
fi
#
# The file system needs to be unmounted to guarantee a clean operation of fsck.
# Pending changes can keep the file system dirty until all the cached data is
# flushed to the disk.
#
/sbin/mount -ur /
FSCK_ACTION_NEEDED=0
/sbin/fsck -p
case $? in