This may be caused by the 64-bit patch for promise RAID. Could you run the following commands: sudo dmraid -D -r /dev/sda sudo dmraid -D -r /dev/sdb
This will create a directory called dmraid.pdc, tar that directory and attach to this bug report. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/770600 Title: dmraid fails to mount raid0 array after upgrade from Ubuntu 10.10 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs