Re: FreeBSD on IBM blade servers

On Fri, Oct 28, 2005 at 07:53:33PM -0700, Matthew Jacob wrote..
> I'm catching, as usual, the tail end of all such discussions, but if this is
> yet another discussion about multipathing, well, FreeBSD doesn't *do*
> multipathing yet (to my knowledge), and it's going to take a bit more than
> just fooling around with CAM or an HBA driver to make it work at a
> commercial grade level.

Absolutely.  

I think phk has done some work in the past for a customer of him 
with multipathing to a DEC HSG80.  I could be wrong though.

Wilko

> 
> On 10/27/05, Rainer Duffner <rainer_at_ultra-secure.de> wrote:
> >
> > Wilko Bulte wrote:
> >
> > >
> > >
> > >Maybe you can zone the fabric such that the HBA only sees one path to the
> > >storage?
> > >
> > >
> >
> >
> > I don't know if that is possible - it also totally defeats the purpose.
> > We didn't buy the infrastructure twice (more or less) just to leave one
> > half of it unused.
> >
> >
> > >>Also, when I ran 5.4 on out BL20 blades, it liked to panic while
> > >>rescanning the SCSI-bus (after adding some space to a LUN).
> > >>
> > >>
> > >
> > >THat is one of the things I still have to try, FreeBSD on our BL20pG2
> > >
> > >
> >
> >
> > I'll try 6.0 when I have some time.
> >
> >
> >
> > Rainer
> >
> >
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> >
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-- 
Wilko Bulte				wilko_at_FreeBSD.org