> and what are you going to do in case the raid partition > itself gets broken? how are you going to repair if you > cannot boot the machine w/o any additional hardware attached?
therefore you'd have to setup an explicit non-raided partition or hdd with a repair-root on all servers with raid-controllers being supported by openbsd. such a "repair-partition" would be a a nice feature, but it shouldn't be inevitable. if one needs such a functionality, he'd even be able to realize it with nw- boot. my understanding of raid1 is avoiding loss of data because of hw-errors. i don't see raid1 as a fault-tolerance for kernels, users, raid- or fs-code not working correctly. finally, the current way to realize raid1 under openbsd makes each install and upgrade much more difficult than it could be. in the worst case you have to take care for 3 basic os setups, their up-to-dateness and security on one machine. br, mdff...