On 09/19/2013 06:05 PM, Francis Moreau wrote: > Hello Martin, > > My system is using RAID1 DDF with 2 disks. > > I tried to boot my system with only disk and it worked. After that I > powered off the system put back the second disk en booted again. > > As expected the array is degraded: > > # cat /proc/mdstat > Personalities : [raid1] > md126 : active raid1 sdb[0] > 2064384 blocks super external:/md127/0 [2/1] [_U] > > md127 : inactive sdb[0](S) > 32768 blocks super external:ddf > > Now I'm trying to add back the disk in the array which shoud trigger a > synchro but I can't: > > # mdadm /dev/md127 --add /dev/sda > mdadm: added /dev/sda > > # cat /proc/mdstat > Personalities : [raid1] > md126 : active raid1 sdb[0] > 2064384 blocks super external:/md127/0 [2/1] [_U] > > md127 : inactive sda[1](S) sdb[0](S) > 65536 blocks super external:ddf > > the second disk is in the container but not used by the array. I'm not > sure what '(S)' means above. > > Could you tell me what should be done to add back the second disk into > the array and trigger the sycnhro ? Is mdmon running? Could you compile mdadm and mdmon with CXFLAGS="-DDEBUG=1 -g" and capture the debug output of mdadm and mdmon? Martin > > Thanks -- 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
