ESP is also on RAID1 with 0.90 meta. # mdadm --detail /dev/md0 /dev/md0: Version : 0.90 Creation Time : Tue Aug 16 11:08:49 2016 Raid Level : raid1 Array Size : 266176 (259.98 MiB 272.56 MB) Used Dev Size : 266176 (259.98 MiB 272.56 MB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 0 Persistence : Superblock is persistent
Update Time : Fri Nov 18 15:10:03 2016 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : 8738f3e7:91896e1d:e368bf24:bd0fce41 Events : 0.23 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 17 1 active sync /dev/sdb1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1466150 Title: grub-install breaks when ESP is on raid To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1466150/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs