It seems i found the root cause of the initial problem: there were a pair of raid superblocks on each hard drive(ex in both /dev/sdb and /dev/sdb1). Until 11.04 it somehow worked for me.
Now i've removed the unnecessary raid superblocks and everything works. sudo mdadm --zero-superblock /dev/sdb sudo mdadm --zero-superblock /dev/sdc But i still wonder if it is a bug or a feature. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/823499 Title: mdadm failed to autocreate md /dev entries To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/823499/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
