It looks like zeroing the superblock on /dev/sdb with mdadm --zero- superblock /dev/sdb fixed the issue with the array not assembling on boot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1164008 Title: mdadm assembled the other superblock thus failing to boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1164008/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
