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|
#!/bin/sh
#
# $FreeBSD$
#
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
. /etc/defaults/periodic.conf
source_periodic_confs
fi
: ${daily_scrub_zfs_default_threshold=30}
case "$daily_scrub_zfs_enable" in
[Yy][Ee][Ss])
echo
echo 'Scrubbing of zfs pools:'
if [ -z "${daily_scrub_zfs_pools}" ]; then
daily_scrub_zfs_pools="$(zpool list -H -o name)"
fi
for pool in ${daily_scrub_zfs_pools}; do
# sanity check
_status=$(zpool list ${pool} | sed -n -e '$p')
if [ $? -ne 0 ]; then
echo " WARNING: pool '${pool}' specified in"
echo " '/etc/periodic.conf:daily_scrub_zfs_pools'"
echo " does not exist"
continue
fi
if echo ${_status} | grep -q FAULTED; then
echo "Skipping faulted pool: ${pool}"
continue
fi
# successful only if there is at least one pool to scrub
rc=0
# determine how many days shall be between scrubs
eval _pool_threshold=\${daily_scrub_zfs_${pool}_threshold}
if [ -z "${_pool_threshold}" ];then
_pool_threshold=${daily_scrub_zfs_default_threshold}
fi
_last_scrub=$(zpool history ${pool} | \
egrep "^[0-9\.\:\-]{19} zpool scrub ${pool}\$" | tail -1 |\
cut -d ' ' -f 1)
if [ -z "${_last_scrub}" ]; then
# creation time of the pool if no scrub was done
_last_scrub=$(zpool history ${pool} | \
sed -ne '2s/ .*$//p')
fi
# Now minus last scrub (both in seconds) converted to days.
_scrub_diff=$(expr -e \( $(date +%s) - \
$(date -j -f %F.%T ${_last_scrub} +%s) \) / 60 / 60 / 24)
if [ ${_scrub_diff} -lt ${_pool_threshold} ]; then
echo " skipping scrubbing of pool '${pool}':"
echo " last scrubbing is ${_scrub_diff} days ago, threshold is set to ${_pool_threshold} days"
continue
fi
_status="$(zpool status ${pool} | grep scrub:)"
case "${_status}" in
*"scrub in progress"*)
echo " scrubbing of pool '${pool}' already in progress, skipping:"
;;
*"none requested"*)
echo " starting first scrub (since reboot) of pool '${pool}':"
zpool scrub ${pool}
;;
*)
echo " starting scrub of pool '${pool}':"
zpool scrub ${pool}
;;
esac
echo " consult 'zpool status ${pool}' for the result"
done
;;
*)
rc=0
;;
esac
exit $rc
|
