> Right. I was referring to RAID 1. For a RAID 10, you would have to > find the proper drive to boot from. This is why I tend to limit myself > to RAID 1 in software. If I need something more complex than that, I > get a hardware card so the OS just sees it as a single drive and you > don't have to worry about grub. When I want to boot off of a raid 10, I first partition the drives and make a small (like a gigabyte) partition 1, and put the rest of the space on partition 2. I do this on all drives, then I create a raid 1 of sd[abcd]1 for /, and a raid10 of sd[abcd]2 for everything else. I've got this config on several tens of servers and it seems to work okay.