Something fishy here Dexter Filmore wrote: > # mdadm -E /dev/sdd Device /dev/sdd > # cat /proc/mdstat > Personalities : [raid5] > md0 : active raid5 sda1[0] sdd1[3] sdc1[2] sdb1[1] > 732563712 blocks level 5, 32k chunk, algorithm 2 [4/4] [UUUU] Components that are all the first partition. Are you using the whole disk, or the first partition? It appears that to some extent, you are using both. Perhaps some confusion on that point between your boot scripts and your manual run explains things? -Mike - 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