# Setup some default values
replicate="/usr/local/etc/bin/zfs-replicate"
logfile_parser="/usr/local/etc/bin/zfs-log-parser"
-logfile="/var/log/zfs-replicate.log"
+logfile="/var/log/zfs/zfs-replicate.log"
lockdir="/tmp/zfs-admin-lock"
+mailto=root
destpool="backups"
maxsleeptime=60
+maxattempts=600
released_lock_date=0
+date=`date`
# Setup our cleanup and exit trap
cleanup() {
rm -rf "$lockdir"
if [ $released_lock_date == 0 ]; then
+ zpool export $destpool
+ /usr/local/etc/bin/usb-drive-power off
echo `date` ZFS admin lock released >> $logfile
fi
}
trap cleanup EXIT
# Auto snapshot every zfs filesystem on the system specified below
-date=`date`;
echo "$date Polling for ZFS admin lock" >> $logfile
# Poll for a lock on the zfs subsystem, and make the lock once we can do so
+attempts=0
while true; do
if ! mkdir "$lockdir" >/dev/null 2>&1; then
# Another zfs admin tool is running.
# Wait a random amount of time and try again
ransleep=$(($RANDOM % $maxsleeptime))
sleep $ransleep
+ ((attempts=attempts+1))
else
# No other zfs admin tool is running, we can now.
break
fi
+ if [[ $attempts -gt $maxattempts ]]; then
+ # We've exceeded our maximum while loop count
+ ls -ld $lockdir | /usr/bin/mailx -s "zfs-replicate-all unable to obtain zfs admin lock" $mailto
+ exit 1
+ fi
done
date=`date`;
echo "$date ZFS admin lock obtained" >> $logfile
+# Poweron the destpool and import it
+/usr/local/etc/bin/usb-drive-power on >> $logfile
+zpool import $destpool
+
# List the filesystems to replicate
# The parent filesystems MUST be listed ahead
# of the children filesystems.
# Pool root filesystems must end with a slash.
$replicate tank/ $destpool
+$replicate tank/var $destpool
$replicate tank/usr $destpool
$replicate tank/usr/home $destpool
$replicate tank/usr/videos $destpool
$replicate tank/usr/local $destpool
$replicate tank/usr/local/etc $destpool
+$replicate tank/usr/local/var $destpool
$replicate tank/backup $destpool
+# Export the destpool and power it down
+zpool export $destpool
+/usr/local/etc/bin/usb-drive-power off >> $logfile
+
# Release our lock
released_lock_date=1
echo `date` ZFS admin lock released >> $logfile
# Parse the log file and extract our backup stats
$logfile_parser "$logfile" "$date" >> $logfile
+