On Tue, 12 Oct 1999, Marc Merlin wrote:
> > ability to boot from a RAID5 (though AFAIK, lilo can boot from software
> > mirrored partitions now, no?)
>
> Correct.
> Note that depending on the Raid card and the distribution, you may not be
> able to boot on it without bootstrapping your distribution (i.e. debian
> won't work with a DAC960 if / in on the RAID array. You need to install some
> other distribution, use it to copy an existing debian system, and change the
> kernel on the debian partition)
Though, how does the PC handle things booting up if the drive on
controller 0, ID 0 has gone bad? I expect this is another case where
hardware RAID shines, being able to boot regardless of which drive died.
If we go with Red Hat, the DAC960's should be supported starting with 6.0
(5.2 if we get a custom boot image, though we wouldn't likely install that
at this point.)
> For me, one big advantage of hardware raid is disk shelves with hotswapping.
> Doing this in a PC case is awkward and usually a hack
There's nothing (that I know of) stopping anyone from buying Intel
Astor/AstorII/Cabrillo-C server chassis and making use of their hot-swap
bays without hardware RAID. The Astor chassis are surprising cheap too.
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