mount first Linux partition

diff --git a/gnt-lv-snap-rsync.sh b/gnt-lv-snap-rsync.sh
index 84ff9ee..85722ba 100755 (executable)
--- a/gnt-lv-snap-rsync.sh
+++ b/gnt-lv-snap-rsync.sh
@@ -20,7 +20,11 @@ ssh $node lvs -o name,tags | grep $instance | tee /dev/shm/$instace.$node.lvs |
 cat <<__SHELL__ | tee /dev/shm/$instance.sh
        lvcreate -L20480m -s -n$lv.snap /dev/ffzgvg/$lv
        mkdir /dev/shm/$lv.snap
-       mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o ro
+       # we must mount filesystem read-write to allow journal recovery
+       mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime \
+       || offset=`fdisk -l /dev/ffzgvg/$lv.snap -u | grep Linux$ | grep /dev/ffzgvg/$lv.snap | head -1 | awk '{ print $2 * 512 }'` \
+       && mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime,offset=$offset \
+
        rsync -ravHz --numeric-ids --sparse --delete /dev/shm/$lv.snap/ lib15::backup/$instance/$disk_nr/
        umount /dev/shm/$lv.snap
        lvremove -f /dev/ffzgvg/$lv.snap