So as per my comment on "fermulator (fermulator) wrote on 2015-07-04: " there appears to be a few post-comments of confusion.
What /is/ the correct way to re-install grub to mdadm member drives? (assuming mdadm has member disks with proper RAID partitions) {{{ fermulator@fermmy-server:~$ cat /proc/mdstat | grep -A3 md60 md60 : active raid1 sdi2[1] sdj2[0] 58560384 blocks super 1.2 [2/2] [UU] }}} grub-install /dev/sdX|Y or, grub-install /dev/sdX#|Y# -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1274320 Title: Error: diskfilter writes are not supported To manage notifications about this bug go to: https://bugs.launchpad.net/grub/+bug/1274320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs