On Wed, Jun 25, 2003 at 08:04:38PM -0700 or thereabouts, George Hartzell wrote:
> I have a server running 4.8 on a single disk. I'd like to set it up
> to mirror and be bootable. Killer performance isn't critical, but
> maximal flexibility to frankenstein it together from spare parts is.
> So, I'm shying away from hardware raids, and even the pseudo-hardware
> I'd like to just stuff two ata drives in there and use atacontrol to
> set them up.
> I gather that I can't just cram a second disk into the existing
> system, rather I'll have to do dumps to somewhere, set up a raid,
> disklabel/newfs, then restore the dumps onto the raid. Is that an
> accurate summary.
AFAIK, that is correct.
> Once it's running, how do I recover if/when a disk pukes. It sounds
> like atacontrol's "rebuild" command only works w/ real controllers.
> Do I need to boot from a cd and then dd onto the new disk, or??? Do I
> need to add the new disk into the raid somehow?
I think Vinum or RAIDframe would be better if you want software RAID.
Both support booting from the RAID.
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