Ned Slider wrote:... > > /remembering my disclaimer/ I'm not a raid/grub expert... You are too modest. :-) I should put in that disclaimer too! > Presumably Section two is required because grub is installed to the mbr > of /dev/sda so /dev/sdb isn't bootable in the event /dev/sda should fail? Yes. > Would using grub be simpler rather than directly editing > /boot/grub/device.map ? Something like... > > Following on from Section 1, reboot... > > Stop at the grub menu and enter the "c" option, which gives you the grub > prompt. Then: > > grub> device (hd0) /dev/sda > grub> root (hd0,0) > grub> setup (hd0) > grub> device (hd1) /dev/sdb > grub> root (hd1,0) > grub> setup (hd1) > grub> exit > > and test both disks are bootable. Achieves the same thing I guess. I believe that's true, in fact I think that approach is used in some of the links referenced from the RAID FAQ entry. Could put it in as an alternate method. Thanks, Phil