#!/bin/sh # # $FreeBSD$ # # If there is a global system configuration file, suck it in. # newline=" " # A single newline 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 rc=0 for pool in ${daily_scrub_zfs_pools}; do # sanity check _status=$(zpool list "${pool}" 2> /dev/null) if [ $? -ne 0 ]; then rc=2 echo " WARNING: pool '${pool}' specified in" echo " '/etc/periodic.conf:daily_scrub_zfs_pools'" echo " does not exist" continue fi _status=${_status##*$newline} case ${_status} in *FAULTED*) rc=3 echo "Skipping faulted pool: ${pool}" continue ;; esac # determine how many days shall be between scrubs eval _pool_threshold=\${daily_scrub_zfs_${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} [ $rc -eq 0 ] && rc=1 ;; *) echo " starting scrub of pool '${pool}':" zpool scrub ${pool} [ $rc -eq 0 ] && rc=1 ;; esac echo " consult 'zpool status ${pool}' for the result" done ;; *) rc=0 ;; esac exit $rc