On Saturday March 19, yjf@xxxxxxxxxxxx wrote: > Hi, > > What exactly is the command to recover a raid array after system crash? I > created a raid5 array with 3 disks. After system crash, one disk is out > of sync, so I tried the command > > mdadm --assemble --run --force --update=resync /dev/md2 /dev/sbd3 /dev/sbd4 /dev/sbd5 > > However, I still saw that raid array was started with 2 disks: > mdadm: /dev/md/2 has been started with 2 drives (out of 3). > > cat /proc/mdstat still shows that /dev/sbd5 is inactive. > Personalities : [raid5] > md2 : active raid5 sbd3[0] sbd4[1] > 3968 blocks level 5, 64k chunk, algorithm 2 [3/2] [UU_] > > If --update=resync isn't the right option to sync a raid array, what > command am I supposed to use? I think all you have to do at this point is add sbd5 back into the array: mdadm /dev/md2 --add /dev/sbd5 NeilBrown - 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
