Hi Neil, So far now answer, I'm adding you in the thread since it seems a critical issue, hope you don't mind. Thanks On Mon, Oct 28, 2013 at 7:18 AM, Francis Moreau <francis.moro@xxxxxxxxx> wrote: > 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 -- 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
