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Update zfs-1week-snapshot.sh

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kneutron 2021-05-31 11:21:26 -05:00 committed by GitHub
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ZFS/zfs-1week-snapshot.sh
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@ -3,23 +3,23 @@
# 2014-2021 Dave Bechtel
# this runs in cron.daily
# and keeps 7 days of rotating snapshots
# + plus 28-31 days of rotating snapshots, depending on days in month
# example cron:
# run zfs snapshot @ 11:45pm mon,wed,fri
#45 23 * * 1,3,5 /root/bin/boojum/zfs-1week-snapshot.sh
# + plus optional 28-31 days of rotating snapshots, depending on days in month (will need to be uncommented)
logfile=/root/zfs-1week-snapshot.log
snaplog=/root/zfs-snaplist-all.log
/bin/mv -vf $snaplog $snaplog-old
PATH=/sbin:/root/bin:/root/bin/zfs:/usr/local/bin:/usr/local/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin: #/usr/NX/bin:/usr/games:
PATH=/sbin:/root/bin:/root/bin/boojum:/usr/local/bin:/usr/local/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin: #/usr/NX/bin:/usr/games:
echo "=== START RUN $(date) - zfs 1-week +28-31 day snapshot" >> $logfile
# speed things up a bit
#/root/bin/zfs/spinup 2>&1 >> $logfile
myday=$(date +%a) # ex. Sun
mydnum=$(date +%d) # ex. 04
#echo "= BEGIN Stage DF before, snaps before" >> $logfile
echo "= BEGIN Stage 1: DF before" >> $logfile
df -h -T |grep zfs >> $logfile
#zfs list -H -t snapshot |column -t >> $logfile
@ -34,11 +34,13 @@ for i in $(zpool list |grep -v ALLOC |awk '{ print $1 }');do
zfs destroy -R -v $i@$myday 2>&1 >>$logfile;rc=$?
echo "= DESTROY $i@$myday RTN CODE:$rc" >> $logfile
# 28-31 days
zfs destroy -R -v $i@zfsDOM$mydnum 2>&1 >>$logfile;rc=$?
echo "= DESTROY $i@zfsDOM$mydnum RTN CODE:$rc" >> $logfile
# this is for 28-31 days, uncomment if needed beyond 1 week
# zfs snapshot -r $i@zfsDOM$mydnum
zfs snapshot -r $i@$myday
done
@ -49,13 +51,14 @@ echo "= BEGIN Stage 3: Today Snaps after, DF after" >> $logfile
# ALL snaps here
#zfs list -H -t snapshot |column -t > $snaplog
# Requires another script in the same PATH
zfs-list-snaps--boojum.sh |column -t > $snaplog
# Only today+wkly here
#zfs-list-snaps--boojum.sh |egrep "@$myday|DOM$mydnum|weekly" |column -t >> $logfile
df -h -T |grep zfs >> $logfile
echo "=== END RUN zfs 1wk/28-31 day snapshot: `date`" >> $logfile
echo "=== END RUN zfs 1wk/28-31 day snapshot: $(date)" >> $logfile
# DONE while we're here, keep 28-31 day number backups too