Scott Silva wrote: > on 10/7/2007 2:41 PM Theo Band spake the following: >> # mdadm -Q /dev/sda >> /dev/sda: is not an md array >> /dev/sda: No md super block found, not an md component. >> # mdadm -Q /dev/sda1 >> /dev/sda1: is not an md array >> /dev/sda1: No md super block found, not an md component. >> # mdadm -Q /dev/sda2 >> /dev/sda2: is not an md array >> >> So it looks like all info is lost. Can I create a new array with the >> existing LVM partitions and the free partitions without destroying >> any data? >> > Your raid appears to be on /dev/sda3 /dev/sdb2 /dev/sdc2 /dev/sdd2 > Try mdadm --examine --brief --scan --config=partitions > and see if it sees anything. > # mdadm --examine --brief --scan --config=partitions Nothing.... Indeed these are the partitions that are now unused and used to be part of the raid. Any idea what could have gone wrong when I migrated to from FC3 to Centos? I also changed the mobo of this machine and changed the CPU from single to a dual core one. I assume support is in the kernel, so no special actions should be needed to get this to work during boot up. Theo