Hi, [ Adding Dan Williams in CC since it appears to be the author of the intel fake raid support. ] On Wed, Oct 23, 2013 at 11:24 AM, Francis Moreau <francis.moro@xxxxxxxxx> wrote: > Hello, > > I'm testing ISW fake-raid with mdadm 3.3 and I can't add back a disk > to a container previously marked as failed and removed. > > Also I'm testing ISW inside a VM so I'm not sure my test case is valid. > > So basically my ISW array was created with dmraid. I then installed my > system on this array and rebooted to switch to mdadm. So far so good > everything seems to work perfectly: > > # export IMSM_NO_PLATFORM=1 > > # cat /proc/mdstat > Personalities : [raid1] > md126 : active raid1 sda[1] sdb[0] > 2092375 blocks super external:/md127/0 [2/2] [UU] > > md127 : inactive sda[1](S) sdb[0](S) > 6306 blocks super external:imsm > > unused devices: <none> > > # mdadm -E /dev/sdb > /dev/sdb: > Magic : Intel Raid ISM Cfg Sig. > Version : 1.1.00 > Orig Family : ef92cdd9 > [ ... ] > > Now I'm marking sda as failed and remove it: > > # mdadm --fail /dev/md126 sda > # mdadm --remove /dev/md127 sda > > everything works fine until I add back sda to the container: > > # mdadm --add /dev/md127 /dev/sda > mdadm: add /dev/sda > > # cat /proc/mdstat > Personalities : [raid1] > md126 : active raid1 sdb[0] > 2092375 blocks super external:/md127/0 [2/1] [_U] > > md127 : inactive sda[1](S) sdb[0](S) > 6306 blocks super external:imsm > > sda is not added anymore to the array md126 and therefore no resynchro happens. > > # mdadm -E /dev/sda > /dev/sda: > MBR Magic : aa55 > Partition[0] : 3612577 sectors at 2048 (type 83) > Partition[1] : 560133 sectors at 3616767 (type 05) > > Could anybody tell me if that's expected and if so could you englight me ? > > Thanks. > -- > Francis -- Francis -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
