Followed the instructions from comment #7: Base installation: Xenial/16.04 ii mdadm 3.4-4ubuntu0.1 ii dracut-core 044+3-3
Using IMSM based mdadm mounted on /home: /dev/mapper/datavg01-home 197G 121G 67G 65% /home PV VG Fmt Attr PSize PFree /dev/md126p6 datavg01 lvm2 a-- 831,50g 353,85g dev/md126p6: Container : /dev/md/imsm0, member 0 Raid Level : raid5 Array Size : 871895713 (831.50 GiB 892.82 GB) Used Dev Size : unknown Raid Devices : 3 Total Devices : 3 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Layout : left-asymmetric Chunk Size : 64K UUID : cc707f7d:77869bd6:de8d52a2:ca21e329 Number Major Minor RaidDevice State 2 8 16 0 active sync /dev/sdb 1 8 32 1 active sync /dev/sdc 0 8 48 2 active sync /dev/sdd Now done 2 reboots, one from text console directly after installing the new packages and one from the GUI. In both cases the array came up in sync. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1608495 Title: IMSM fakeraid handled by mdadm: unclean mounted volumes on shutdown/reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1608495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs