It suggested you remove the old meta data from the disk to re-add but I didn't see that you did that. do that and then try and add it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/945786 Title: mdadm refuses to re-add failed member To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/945786/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs