Mike wrote: >Make sure you've fdisk'd the disks and changed the partition type: >fd Linux raid autodetect Thank you very much for your reply, Mike. But I had already finished the setting you mentioned. I think the best way is to delete the software RAID 1 setting completely once and set up again. But I don't know how to delete the setting I've done before. -- # fdisk /dev/hdb : : : Command (m for help): p Disk /dev/hdb: 255 heads, 63 sectors, 1027 cylinders Units = cylinders of 16065 * 512 bytes Device Boot Start End Blocks Id System /dev/hdb1 1 970 7791493+ fd Linux raid autodetect /dev/hdb2 971 1020 401625 fd Linux raid autodetect - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html