else
# umount all snapshots
-gnt-cluster command -M mount | grep snap | awk '{ print "ssh "$1" umount "$4 }' | sed 's/: / /' | xargs -i sh -exec {}
+gnt-cluster command -M mount | grep snap | grep -v rbd.disk[0-9].snap | awk '{ print "ssh "$1" umount "$4 }' | sed 's/: / /' | xargs -i sh -exec {}
# remove mount directories
gnt-cluster command 'rmdir /dev/shm/*.snap'