On Sun, 3 Jul 2022 13:07:41 -0700, Marc MERLIN <marc@xxxxxxxxxxx> wrote: > Is there any way around this, or not without a full reformat/rebuild? > Hi, I've been able to change the consistency using mdadm v4.2 on a imsm container. I don't know if it will work for native metadata. Hope this helps you a little. The steps I did it: 1. Stop the volume # mdadm -S /dev/md/<volume_name> 2. Update to ppl # mdadm --update-subarray=0 --update=ppl /dev/md/<container_name> 3. Assemble incrementally # mdadm --incremental /dev/md/<container_name> Thanks, Lukasz > gargamel:~# mdadm --query --detail /dev/md5 > /dev/md5: > Version : 1.2 > Creation Time : Tue Jan 21 10:35:52 2014 > Raid Level : raid5 > Array Size : 15627542528 (14903.59 GiB 16002.60 GB) > Used Dev Size : 3906885632 (3725.90 GiB 4000.65 GB) > Raid Devices : 5 > Total Devices : 5 > Persistence : Superblock is persistent > > Intent Bitmap : Internal > > Update Time : Sun Jul 3 03:02:01 2022 > State : active, checking > Active Devices : 5 > Working Devices : 5 > Failed Devices : 0 > Spare Devices : 0 > > Layout : left-symmetric > Chunk Size : 512K > > Consistency Policy : bitmap > > Check Status : 99% complete > > Name : gargamel.svh.merlins.org:5 (local to host > gargamel.svh.merlins.org) UUID : ec672af7:a66d9557:2f00d76c:38c9f705 > Events : 642977 > > Number Major Minor RaidDevice State > 0 8 193 0 active sync /dev/sdm1 > 6 8 177 1 active sync /dev/sdl1 > 2 8 209 2 active sync /dev/sdn1 > 3 8 1 3 active sync /dev/sda1 > 5 8 17 4 active sync /dev/sdb1 > gargamel:~# mdadm --grow --consistency-policy=ppl /dev/md5 > mdadm: Current consistency policy is bitmap, cannot change to ppl > > Kernel 5.16. > > Thanks, > Marc > -- > "A mouse is a device used to point at the xterm you want to type in" > - A.S.R. > Home page: http://marc.merlins.org/ | PGP > 7F55D5F27AAF9D08
