If you're not sure if this is an issue or not then you should have made some research first or ask this on forums instead of reporting it as a bug.
Here is what I just found: http://www.linuxquestions.org/questions/linux-software-2/the-meaning-of-devmd0-no-md-super-block-found-517869/ -- mdadm reports "/dev/md0: No md super block found, not an md component." https://bugs.launchpad.net/bugs/77609 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs