On Monday November 7, marvin@xxxxxxxx wrote: > I've got a simple setup with three IDE drives where two disks share a > 30mb RAID1 partition for /boot and all three share a 590GB RAID5 > array for / > > My mdadm.conf looks like this: > > DEVICE partitions > ARRAY /dev/md1 level=raid5 num-devices=3 UUID=4b22b17d: > 06048bd3:ecec156c:31fabbaf > devices=/dev/hda3,/dev/hdc3,/dev/hdg2 > ARRAY /dev/md0 level=raid1 num-devices=2 > UUID=7d5c8486:35fff755:f5d34fc2:a12f1f81 > devices=/dev/hda1,/dev/hdc1 You should remove the "devices=" sections. They aren't causing a problem in this case, but they could if you happened to change the name of a device (plug it in somewhere different). > > The UUIDs check out with the devices, and indeed /dev/md0 works > fine. /dev/md1 used to work perfectly, but read on :-p > > All the raid partitions are type 0xfd RAID auto-detect. Are you sure? Really really sure? Particularly hdc3. What is it's type. Could you fdisk -l /dev/hdc just to convince me? Because your problem REALLY looks like the partition type isn't 0xfd... You gave lots of detail, which is excellent, and from all that detail, I cannot see any other possible explanation. 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