Mace Eliason wrote: > Hi, > > I have setup raid on a new server and have found that if I remove one > drive it will boot but if I remove the other it says missing OS. > > I am using two 18.2Gig SCSI drives, using software raid 1. > I have it setup with the following drives in this order. > > /boot > swap > / > > all are mirrored between the two drives. I remember a while back that > their was a problem with grub would that be the problem here? > Why does it work on one drive and not the other? I guess that answers Steve's question from that last email... :) The problem is that grub does not update the boot block on both drives. Dig through the list archives for instructions on fixing it. -- Bowie