3 test -z "$1" -o -z "$2" && echo "Usage: $0 instance disk" && exit 1
7 test -z "$backup" && backup="backup"
8 test -z "$rsync_server" && rsync_server="lib15"
10 test "`rsync $rsync_server::$backup/$instance/$disk 2>/dev/null | wc -l`" != 1 && echo "ERROR $rsync_server::$backup/$instance/$disk backup target missing" && exit 1
12 rbd_image=`gnt-instance info --static $instance | grep logical_id: | cut -d\' -f4 | grep "\.rbd\.disk$disk\$"`
14 test -z "$rbd_image" && echo "can't find rbd_image name for $instance $disk" && exit 1
16 rbd snap add $rbd_image@backup
17 rbd snap protect $rbd_image@backup
19 rbd clone $rbd_image@backup backup-$instance-$disk
21 rbd_dev=`rbd map backup-$instance-$disk`
23 test -d /dev/shm/$rbd_image.snap || mkdir /dev/shm/$rbd_image.snap
25 # we must mount filesystem read-write to allow journal recovery
26 offset=`fdisk -l $rbd_dev -u -o Device,Start,Type | grep 'Linux$' | grep $rbd_dev | head -1 | sed 's/\*/ /' | awk '{ print \$2 * 512 }'`
27 test ! -z "$offset" && offset=",offset=$offset"
28 mount $rbd_dev /dev/shm/$rbd_image.snap -o noatime$offset
31 # XXX do rsync back to $rsync_server
34 if rsync $rsync_server::$backup/$instance/rsync.args /dev/shm/$instance-rsync.args 2>/dev/null ; then
35 rsync_args="`cat /dev/shm/$instance-rsync.args`"
38 rsync -ravHzXA --inplace --numeric-ids --delete $rsync_args \
39 /dev/shm/$rbd_image.snap/ $rsync_server::$backup/$instance/$disk/ \
40 && ssh -i /etc/ganeti/id_dsa-zfs-snap $rsync_server $rsync_server/$backup/$instance/$disk
46 umount /dev/shm/$rbd_image.snap
48 rbd unmap backup-$instance-$disk
49 rbd rm backup-$instance-$disk
51 rbd snap unprotect $rbd_image@backup
52 rbd snap rm $rbd_image@backup
54 rmdir /dev/shm/$rbd_image.snap