Feizhou wrote: > >> Originally I had boot on 2 drives raid1, with 2 more drives being >> hotspares. Then I realized that this makes no sense, if you can just >> set up a raid1 with 4 drives (where each drive is a copy of each >> other). Didn't really know if it was supported, but looks like it >> works. > > The entire use all four disks for /boot makes no sense if two disks > belonging to the same mirror for the lvm go down. Please stop this > nonsense about surviving everything to no benefit. You can have three > disks fail and still have a working /boot. For what? > _______________________________________________ Feizhou, After thinking about it for a little bit, I see your point. If one of the arrays fails, the data drive is gone, and there is no point keeping boot after that. This means it suffices to put /boot on the first raid1 array. However, as was mentioned elsewhere in this thread, by mirroring the boot partition on all 4 drives, I don't have to worry about which order the drives are plugged in, and I can preserve disk symmetry. Since the cost of the drive is about $0.25 a GB, I think wasting the $0.10 is worth the flexibility and peace of mind. Russ