mylogfile="$logdir/zfs-replicate-all.log"
date=`date`
starttime=`date +%s`
+tmpfile=`mktemp`
# Make sure we aren't already running
SCRIPT_NAME=${0##*/}
-PROCESS_LIST=`tempfile`
-ps -ef | grep -e "$SCRIPT_NAME" | grep -v grep | grep -v $$ | grep -v $PPID >> $PROCESS_LIST
+PROCESS_LIST=`mktemp`
+ps -ef | grep -e "$SCRIPT_NAME" | grep -v grep | grep -v tail | grep -v less | grep -v $$ | grep -v $PPID >> $PROCESS_LIST
if [[ $? == 0 ]]; then
echo "$date Another $SCRIPT_NAME process is already running" >> $mylogfile
cat $PROCESS_LIST >> $mylogfile
# echo message to terminal
echo -e 2>&1 "$1"
# send email notification
- echo -e "$1" | $mailx -s "zfs-replicate-all on $hostname failed" "$mailto"
- exit 1
+ echo -e "$1" | $mailx -s "zfs-replicate-all on $hostname failed" "$2"
+ # exit with bad return code unless 3rd argument was defined that says not to
+ if [[ -z "$3" ]]; then
+ exit 1
+ fi
}
# This function executes the replicate command and checks the stoptime
fi
}
+# Replicate every zfs filesystem specified in the config file
+echo "$date ZFS replicate started" >> $logfile
+echo "$date ZFS replicate started" | tee -a $mylogfile
+
+# Loop over each backup pool
+backup_pools=$backup_pool
+for backup_pool in $backup_pools; do
+
# Import the local backup pool if needed and the option is given to do so, else error out
-zpool list -H "$backup_pool" >/dev/null 2>&1
+zpool list -H $backup_pool > $tmpfile 2>&1
if [ $? != 0 ]; then
if [[ $import_export_backup_pool == 1 ]]; then
- zpool import $backup_pool
+ zpool import -f $backup_pool >> $tmpfile 2>&1
if [ $? != 0 ]; then
- fatal_and_exit "-E- unable to import the backup pool $backup_pool on $hostname" "$mailto"
+ msgs=`cat $tmpfile`
+ fatal_and_exit "-E- unable to import the backup pool '$backup_pool' on $hostname: $msgs" "$mailto"
fi
else
- fatal_and_exit "-E- The local backup pool on $hostname, '$backup_pool' doesn't seem to exist." "$mailto"
+ msgs=`cat $tmpfile`
+ fatal_and_exit "-E- The local backup pool on $hostname, '$backup_pool' doesn't seem to exist: $msgs" "$mailto"
fi
fi
+rm -f $tmpfile
# Obtain the zpool guid for the local backup pool
backup_pool_guid=`zpool get guid $backup_pool 2>&1 | grep $backup_pool | awk '{ print $3 }'`
current_backup_marker=@current-backup-${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" >> $logfile
-echo "$date ZFS replicate started" | tee -a $mylogfile
-
# Sort the filesystems to replicate by the oldest backup first
-tmpfile=`tempfile`
for filesystem in $filesystems_to_replicate; do
- age=`snapshot_age $filesystem`
- echo $filesystem $age >> $tmpfile
+ if [[ $filesystem =~ ':' ]]; then
+ dst_pool=${filesystem%%:*}
+ filesystem=${filesystem#*:} # remove src_pool from string
+ else
+ dst_pool=$backup_pool
+ fi
+ # Only backup filesystems that are specified to go this backup_pool
+ if [[ $backup_pool == $dst_pool ]]; then
+ age=`snapshot_age $filesystem`
+ echo $filesystem $age >> $tmpfile
+ fi
done
sorted_filesystems=`cat $tmpfile | sort -n -k 2 | awk '{ print $1 }'`
rm -f $tmpfile
# Replicate the sorted filesystems
for filesystem in $sorted_filesystems; do
echo "-> Replicating $remote:$filesystem to ${backup_pool}/${filesystem}" | tee -a $mylogfile
- replicate $remote $filesystem
+ replicate $remote $filesystem $backup_pool
done
# Export the local pool if told to do so
if [[ $import_export_backup_pool == 1 ]]; then
# Don't export the pool if there is a currently running zfs-scrub operation
- ps -ef | grep -q "zfs-scrub ${backup_pool}" | grep -v grep
+ ps -ef | grep "zfs-scrub" | grep -q "${backup_pool}" | grep -v grep
if [ $? != 0 ]; then
- zpool export $backup_pool
+ zpool export $backup_pool >> $tmpfile 2>&1
if [ $? != 0 ]; then
- fatal_and_exit "-E- unable to export the local backup pool $backup_pool on $hostname" "$mailto"
+ sleep 300
+ zpool export $backup_pool >> $tmpfile 2>&1
+ if [ $? != 0 ]; then
+ lsof /$backup_pool/* >> $tmpfile 2>&1
+ msgs=`cat $tmpfile`
+ fatal_and_exit "-E- unable to export the local backup pool $backup_pool on $hostname: $msgs" "$mailto" 0
+ fi
fi
fi
fi
+rm -f $tmpfile
+
+done
# All done
echo `date` ZFS replicate complete >> $logfile