this still happens for me Ubuntu 20.04 this time around I even allowed grub to have ext4 partition acess at the front of the disks
instead of giving mdadm entire device this time I partitioned the disks and gave mdadm the partitions to raid with , Using LVM with btrfs partitions for boot and system -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
