# This function obtains the date a given snapshot was created in epoch seconds
snapshot_age() {
- snapshot=${local_pool}/${1}${previous_backup_marker}
+ snapshot=${backup_pool}/${1}${previous_backup_marker}
$zfs list -t snapshot ${snapshot} > /dev/null 2>&1
if [ $? == 0 ]; then
$zfs get creation ${snapshot} > /dev/null 2>&1
fi
}
-# Obtain the zpool guid for the local pool
-local_pool_guid=`zpool get guid $local_pool 2>&1 | grep $local_pool | awk '{ print $3 }'`
-zpool get guid $local_pool > /dev/null 2>&1
+# Import the local backup pool if needed and the option is given to do so, else error out
+zpool list -H "$backup_pool" >/dev/null 2>&1
if [ $? != 0 ]; then
- echo >&2 "-E- Unable to extract the guid for the local pool: $local_pool"
+ if [[ $import_export_backup_pool == 1 ]]; then
+ zpool import $backup_pool
+ if [ $? != 0 ]; then
+ echo "-E- unable to import the backup pool $backup_pool"
+ exit 1
+ fi
+ else
+ echo "-E- The local backup pool, '$backup_pool' doesn't seem to exist." $mailto
+ exit 1
+ fi
+fi
+
+# Obtain the zpool guid for the local backup pool
+backup_pool_guid=`zpool get guid $backup_pool 2>&1 | grep $backup_pool | awk '{ print $3 }'`
+zpool get guid $backup_pool > /dev/null 2>&1
+if [ $? != 0 ]; then
+ echo >&2 "-E- Unable to extract the guid for the local backup pool: $backup_pool"
exit 1
fi
# Setup our backup marker names
-current_backup_marker=@current-backup-${local_pool_guid}
-previous_backup_marker=@previous-backup-${local_pool_guid}
+current_backup_marker=@current-backup-${backup_pool_guid}
+previous_backup_marker=@previous-backup-${backup_pool_guid}
# Auto snapshot every zfs filesystem on the system specified below
echo "$date ZFS replicate started" >> $logfile
# Replicate the sorted filesystems
for filesystem in $sorted_filesystems; do
- echo "-> Replicating $remote:$filesystem to ${local_pool}/${filesystem}" | tee -a $mylogfile
+ echo "-> Replicating $remote:$filesystem to ${backup_pool}/${filesystem}" | tee -a $mylogfile
replicate $remote $filesystem
done
+# Export the local pool if told to do so
+if [[ $import_export_backup_pool == 1 ]]; then
+ zpool export $backup_pool
+ if [ $? != 0 ]; then
+ fatal_and_exit "-E- unable to export the local backup pool $backup_pool"
+ fi
+fi
+
# All done
echo `date` ZFS replicate complete >> $logfile
echo `date` ZFS replicate complete | tee -a $mylogfile