This has resolved itself on the server I had a problem with - after commenting out the array definition from mdadm.conf, rebooting, and zeroing the superblock.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/371338 Title: cannot stop RAID1 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs