On Mon, Mar 17, 2014 at 07:58:06PM +0800, Anand Jain wrote: > In a normal scenario when sys-admin replaces a disk, the > expeted is btrfs will release the disk completely. > > However the below test case gives a wrong impression that > replaced disk is still is in use. > > $ btrfs rep start /dev/sde /dev/sdg4 /btrfs > $ mkfs.btrfs /dev/sde > /dev/sde appears to contain an existing filesystem (btrfs). > Error: Use the -f option to force overwrite. (your signed-off is missing) Reviewed-by: David Sterba <dsterba@xxxxxxx> I've noticed that btrfs_rm_device also cleans only the first superblock signature, so it should do the same. I can't think of any drawback where all the superblocks are scratched, should be safe. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
