6 if [ "$1" = '-' ] ; then
8 elif [ -z "$instance" -o -z "$disk" ] ; then
9 echo "Usage: $0 instance disk"
13 test -z "$instance" && exit 1
15 instance=`gnt-instance list --no-headers -o name $instance | head -1`
17 node=`gnt-instance list -o pnode --no-headers $instance`
18 echo "# $instance on $node"
20 ssh $node lvs -o name,tags | grep $instance | tee /dev/shm/$instace.$node.lvs | grep disk${disk}_data | while read lv origin ; do
21 disk_nr=`echo $lv | cut -d. -f2 | tr -d a-z_`
22 echo "# $lv | $origin | $disk_nr"
24 cat <<__SHELL__ | tee /dev/shm/$instance.sh
26 lvcreate -L20480m -s -n$lv.snap /dev/ffzgvg/$lv
28 mkdir /dev/shm/$lv.snap
30 # we must mount filesystem read-write to allow journal recovery
31 mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime \
32 || offset=\`fdisk -l /dev/ffzgvg/$lv.snap -u | grep Linux$ | grep /dev/ffzgvg/$lv.snap | head -1 | sed 's/\*/ /' | awk '{ print \$2 * 512 }'\` \
33 && mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime,offset=\$offset \
35 rsync -ravHz --numeric-ids --sparse --delete /dev/shm/$lv.snap/ lib15::backup/$instance/$disk_nr/
37 umount /dev/shm/$lv.snap
39 lvremove -f /dev/ffzgvg/$lv.snap
42 scp /dev/shm/$instance.sh $node:/dev/shm/$instance.sh
44 ssh $node sh -xe /dev/shm/$instance.sh
47 ssh lib15 zfs snap lib15/backup/$instance/$disk_nr@$date