On 07/21/2010 09:12 AM, Jussi Hirvi wrote: > > So I boot from CentOS 5.3 dvd in rescue mode, do not mount the file > systems, and try to run > fsck -y /dev/md0 > fsck -y /dev/md1 > fsck -y /dev/md2 > > For each try I get an error message: "Superblock could not be found..." > "The device does not seem to contain a valid ext2 filesystem..." Perhaps they weren't started automatically? Try running "mdadm -IRs" and then look at the contents of /proc/mdstat and the output of 'dmesg' for more information.