On Tue, June 10, 2008 5:24 pm, Wayne Gemmell wrote: > Hi all > > I run a 4 disk array with 6 RAID 1 partitions. This is a very simple > configurations which has served me well through multiple drive failures. I > now have a wierd problem. One of the disks has become a critical node. My > server does not boot without this disk no matter which disk is my primary > boot disk (bios). I've changed the order of the disks and it makes no > difference. > > When this disk is not in booting from some of the other disks gives me a > warning that there is an invalid superblock magic on sda. They all end up > with an error on stdin and modprobe failing. > > > Any ideas how to resolve this? I'm leaning towards nukeing sd[acd] and > re-adding them. I suggest you provide lots more details. Probably mdadm -Dsv and mdadm -Esv would be a good start. 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