I'm having the exact same problem with my Raid5 created under 10.10. After the upgrade to 11.04 it just don't mount anymore
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776908 Title: mdadm RAID 1 fails to mount -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
