X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=zfs-replicate-all;h=54f96eb97b042072217d00dea8573b45f4171581;hb=fff1f01ed31934ecb362f274b2fe3023c1ee0fa0;hp=0ed35f56a149af0d61f170ea0b0323692b6df8c9;hpb=ca396abc312461c5eb10134c34ec018f81009b9e;p=zfs-ubuntu%2F.git diff --git a/zfs-replicate-all b/zfs-replicate-all index 0ed35f5..54f96eb 100755 --- a/zfs-replicate-all +++ b/zfs-replicate-all @@ -14,11 +14,12 @@ logfile="$logdir/zfs-replicate.log" mylogfile="$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 @@ -50,6 +51,17 @@ cleanup_and_exit() { } trap cleanup_and_exit INT +fatal_and_exit() { + # echo message to terminal + echo -e 2>&1 "$1" + # send email notification + 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 replicate() { zfs-replicate $* >> $logfile 2>&1 @@ -77,42 +89,54 @@ snapshot_age() { fi } +# Replicate every zfs filesystem specified in the config file +echo "$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 - echo "-E- unable to import the backup pool $backup_pool" - exit 1 + msgs=`cat $tmpfile` + fatal_and_exit "-E- unable to import the backup pool '$backup_pool' on $hostname: $msgs" "$mailto" fi else - echo "-E- The local backup pool, '$backup_pool' doesn't seem to exist." $mailto - exit 1 + 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 }'` 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 + fatal_and_exit "-E- Unable to extract the guid for the local backup pool on $hostname: $backup_pool" "$mailto" fi # Setup our backup marker names 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 @@ -120,16 +144,29 @@ 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 - zpool export $backup_pool + # Don't export the pool if there is a currently running zfs-scrub operation + ps -ef | grep "zfs-scrub" | grep -q "${backup_pool}" | grep -v grep if [ $? != 0 ]; then - fatal_and_exit "-E- unable to export the local backup pool $backup_pool" + zpool export $backup_pool >> $tmpfile 2>&1 + if [ $? != 0 ]; then + 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