X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=zfs-scrub;h=c7d6297c4114989fbc9fef4ddfac7936a2110efb;hb=ca396abc312461c5eb10134c34ec018f81009b9e;hp=aff4a38ee5429f728e9772202d02f1322b7afce6;hpb=0bc0c53b75f7b4aa0724c5da22caed66fe69de8f;p=zfs-ubuntu%2F.git diff --git a/zfs-scrub b/zfs-scrub index aff4a38..c7d6297 100755 --- a/zfs-scrub +++ b/zfs-scrub @@ -1,22 +1,47 @@ #!/bin/bash # Author: Alan J. Pippin -# Description: This script will attempt to scrub each zfs pool -# given to it in the for loop. This script ensures -# That only 1 scrub operation is running at any given time. -# This serializes the zfs scrub process for each pool. +# Description: This script will attempt to scrub a given pool. +# This script ensures that only 1 scrub operation is +# running at any given time. This serializes the zfs +# scrub process for any pool. -PATH=/usr/sbin:/sbin:$PATH +# source our configuration +config="${0%/*}/zfs-scripts.conf" +[ -e "${config}.dist" ] && . ${config}.dist +[ -e "${config}" ] && . ${config} +exec >> $logdir/zfs-scrub.log 2>&1 + +pools="$*" maxsleeptime=360 -logfile=/var/log/zfs/zfs-scrub.log -for i in tank storage +if [ -z "$pools" ]; then + echo "-E- Usage: $0 " + exit 1 +fi + +for i in $pools do - # Check to see if this zfs filesystem has a scrub being performed on it now. + # Import the local pool if needed and option was given to do so, else error out + zpool list -H "$i" >/dev/null 2>&1 + if [ $? != 0 ]; then + if [[ $import_export_backup_pool == 1 ]]; then + zpool import $i + if [ $? != 0 ]; then + echo "-E- unable to import the pool $i" + exit 1 + fi + else + echo "-E- The local pool, '$i' doesn't seem to exist." + exit 1 + fi + fi + + # Check to see if any zfs filesystem has a scrub being performed on it now. # If it does, we cannot perform more than one scrub operation at a time. while true; do - zpool status | grep scrub: | grep "in progress" > /dev/null 2>&1 + zpool status | grep scan: | grep "in progress" > /dev/null 2>&1 if [ $? == 0 ]; then # Another zpool scrub operation is already running # Wait until it is done before continuing @@ -29,8 +54,44 @@ do done date=`date` - echo "$date: Scrub started for zfs pool $i" >> $logfile + echo "$date: Scrub started for zfs pool $i" zpool scrub $i - sleep 60 + + # Wait until the scrub completes, and check for any errors + while true; do + zpool status $i | grep scan: | grep "in progress" > /dev/null 2>&1 + if [ $? == 0 ]; then + # Our zpool scrub operation is still running + # Wait until it is done before continuing + ransleep=$(($RANDOM % $maxsleeptime)) + sleep $ransleep + else + # Our scrub operation has completed + break + fi + done + + date=`date` + echo "$date: Scrub completed for zfs pool $i" + + # Check for any scrub errors + zpool status $i | grep scan: | grep "with 0 errors" > /dev/null 2>&1 + if [ $? != 0 ]; then + # The scrub found errors + zpool status $i | $mailx -s "zpool scrub $i found errors" $mailto + fi + + # Export the local pool if told to do so + if [[ $import_export_backup_pool == 1 ]]; then + zpool export $i + if [ $? != 0 ]; then + fatal_and_exit "-E- unable to export the local pool $i" + fi + fi + + # Update NFS mounts + filesystems=`zfs list -t filesystem | grep "^$i" | grep -v "$i/$i" | grep -v "^$i " | awk '{ print $1 }' | tr '\n' ' '` + zfs set sharenfs=on $filesystems done +