I create all raid arrays with mdadm now, it defaults to persistent superblocks as well. Something like: mdadm -C /dev/md0 -n 2 -l 1 /dev/sd[cd]2 mkfs.ext3 -L/home /dev/md0 There is an mdadm.conf file, but it is mostly used for the mdmonitor functionality of mdadm. -Mike Christian Nygaard wrote: > It was created after installation > > # vi /etc/raidtab > # fdisk /dev/sdc2 > # fdisk /dev/sdd2 > # mkraid -R /dev/md0 > # mkfs -j /dev/md0 > # e2label /home /dev/md0