(please CC on replies, I'm not subscribed to the list) Hi! This fails: # mkfs.btrfs /dev/sd[bcde] # mount /dev/sdb /mnt/x # btrfs device delete /dev/sdb /mnt/x # btrfs device add /dev/sdb /mnt/x /dev/sdb is mounted # It seems that I have to unmount and remount the fs using another constituent block device before I can re-add the original block device that the filesystem was mounted with: # umount /mnt/x # mount /dev/sdb /mnt/x mount: wrong fs type, bad option, bad superblock on /dev/sdb, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so # mount /dev/sdc /mnt/x # btrfs device add /dev/sdb /mnt/x # This is on up-to-date F17, kernel 3.4.0(-1.fc17) with btrfs-progs 0.19(-18.fc17). thanks, Lennert -- 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
