On Mar 13, 2013, at 10:03 PM, Joel Young <jdy@xxxxxxxxxxxxxxx> wrote: > Joel Young <jdy <at> cryregarder.com> writes: >> mdadm /dev/md0 --fail /dev/loop0 >> mdadm /dev/md0 --fail /dev/loop1 > > That is a typo. It is: > > mdadm /dev/md0 --fail /dev/loop1 > mdadm /dev/md0 --fail /dev/loop2 In this case md0 is failed. And thus md2 is failed. > dd if=/dev/zero of=/dev/md2 bs=1M The block device is expected to still be there, I'm not sure what errors you should get, but if it were a real physical block device than a logical one, I'd expect there'd be messages in dmesg. If you had a mounted file system you were trying to write to I think you'd get more immediate error messages in the shell, not just in dmesg. Chris-- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html