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Am I right in assuming I can't boot from RAID5? Or could I do a complex setup of striping and mirroring a 1Gb partition and then RAID5 the rest? Putting a 5th drive in the system isn't something I really want to do at this stage if I can help it.


I'm not sure on that one. GRUB cannot boot from RAID5 yet; LIlO might be able to. But neither of them would be able to handle failover situations, so, *no*.

The standard way is to have a smallish RAID1 partition for /boot (or the rootfs), and a RAID5 partition for the rest. On each drive. Just like in the article I linked earlier. Plus a few extra GRUBbies so that grub will auto-failover among the available RAID1 partitions. I haven't set that up yet, but will give it a go later. Maybe tomorrow, as The Game will be on in an hour here, and I'd like to watch it (almost) live..

Cheers