That doesn't look good. How about sudo grub-probe -t partmap -vv -d /dev/mapper/isw_ccbefggcjh_RAID-0p1?
** Summary changed: - cannot install bootloader on specified location + grub-probe confused by dmraid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183915 Title: grub-probe confused by dmraid To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1183915/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs