-- mkfs.btrfs /dev/dm-4 -f mkfs.ext4 /dev/dm-4 <-- corrupt the primary SB -- as of now -- btrfs fi label /dev/dm-4 "test" btrfs fi label /dev/dm-4 test -- is successful since its using backup super block by default, is this fine ? Thanks, Anand -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html