Thor Lancelot Simon writes:
> On Sat, Nov 04, 2006 at 05:02:12PM +0100, Geert
Hendrickx wrote:
> > On Sat, Nov 04, 2006 at 08:23:01AM -0500, Steven
M. Bellovin wrote:
> > > 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.
> >
> > The third (and I think most-used) option is to run
the software RAID in the
> > dom0 and provide each domU with a block device on
the RAID (e.g. raid0g).
>
> I think this is a poor choice. You are at the mercy of
any of several kinds
> of bugs in RAIDframe which might cause it to misbehave
when its strategy
> routing is called from xbd (I've seen more than one;
vnd was specifically
> retooled to be safe this way)
Which bugs would these be, and do you have PR#'s?
Thanks.
Later...
Greg Oster
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