On Sat, 4 Nov 2006, Steven M. Bellovin wrote:
> I'm going to be setting up a new server to run several
Xen machines. I
> plan to have two drives and use (software) RAID for
reliability. I'm
> curious how other people are doing this.
>
> One apparent option, for the production DOMUs, is to
have matching
> partitions on each hard drive, and have the DOMUs do
RAID themselves. A
> second is to use a large DOM0 partition, with RAID, and
assign a DOMu a
> file in that partition. This strikes me as slower, but
adequate for
> light-load and experimental servers.
>
> Of course, the real question is whether either or both
options actually
> work.
Certainly having DOM0 doing RAIDframe works well. We are
using it in
production now and rolling it out to more servers. The major
issue is
convincing grub to deal with RAID1 which isn't too tough but
means you
need to manually install it. Some helpful pointers can be
found here:
http://mail-index.netbsd.org/port-xen/2006/03/01/0010.
html
--
Stephen
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