103 lines
2.4 KiB
Bash
Executable File
103 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# If there is a global system configuration file, suck it in.
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#
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newline="
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" # A single newline
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if [ -r /etc/defaults/periodic.conf ]
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then
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. /etc/defaults/periodic.conf
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source_periodic_confs
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fi
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: ${daily_scrub_zfs_default_threshold=35}
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case "$daily_scrub_zfs_enable" in
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[Yy][Ee][Ss])
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echo
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echo 'Scrubbing of zfs pools:'
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if [ -z "${daily_scrub_zfs_pools}" ]; then
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daily_scrub_zfs_pools="$(zpool list -H -o name)"
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fi
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rc=0
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for pool in ${daily_scrub_zfs_pools}; do
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# sanity check
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_status=$(zpool list "${pool}" 2> /dev/null)
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if [ $? -ne 0 ]; then
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rc=2
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echo " WARNING: pool '${pool}' specified in"
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echo " '/etc/periodic.conf:daily_scrub_zfs_pools'"
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echo " does not exist"
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continue
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fi
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_status=${_status##*$newline}
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case ${_status} in
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*FAULTED*)
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rc=3
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echo "Skipping faulted pool: ${pool}"
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continue ;;
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*UNAVAIL*)
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rc=4
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echo "Skipping unavailable pool: ${pool}"
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continue ;;
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esac
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# determine how many days shall be between scrubs
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eval _pool_threshold=\${daily_scrub_zfs_$(echo "${pool}"|tr ".:-" "_")_threshold}
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if [ -z "${_pool_threshold}" ];then
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_pool_threshold=${daily_scrub_zfs_default_threshold}
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fi
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_last_scrub=$(zpool history ${pool} | \
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egrep "^[0-9\.\:\-]{19} zpool scrub ${pool}\$" | tail -1 |\
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cut -d ' ' -f 1)
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if [ -z "${_last_scrub}" ]; then
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# creation time of the pool if no scrub was done
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_last_scrub=$(zpool history ${pool} | \
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sed -ne '2s/ .*$//p')
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fi
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# Now minus last scrub (both in seconds) converted to days.
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_scrub_diff=$(expr -e \( $(date +%s) - \
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$(date -j -f %F.%T ${_last_scrub} +%s) \) / 60 / 60 / 24)
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if [ ${_scrub_diff} -lt ${_pool_threshold} ]; then
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echo " skipping scrubbing of pool '${pool}':"
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echo " last scrubbing is ${_scrub_diff} days ago, threshold is set to ${_pool_threshold} days"
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continue
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fi
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_status="$(zpool status ${pool} | grep scrub:)"
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case "${_status}" in
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*"scrub in progress"*)
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echo " scrubbing of pool '${pool}' already in progress, skipping:"
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;;
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*"none requested"*)
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echo " starting first scrub (since reboot) of pool '${pool}':"
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zpool scrub ${pool}
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[ $rc -eq 0 ] && rc=1
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;;
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*)
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echo " starting scrub of pool '${pool}':"
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zpool scrub ${pool}
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[ $rc -eq 0 ] && rc=1
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;;
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esac
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echo " consult 'zpool status ${pool}' for the result"
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done
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;;
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*)
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rc=0
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;;
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esac
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exit $rc
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