similar https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/158918 and https://bugs.launchpad.net/ubuntu/+source/dmraid/+bug/407901
similar https:/ /bugs.launchpad .net/ubuntu/ +source/ mdadm/+ bug/158918 /bugs.launchpad .net/ubuntu/ +source/ dmraid/ +bug/407901
and https:/