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Re: [Xen-users] Open SSI paravirtualized kernel available for xen 3?

To: "Christopher G. Stach II" <cgs@xxxxxxxxx>
Subject: Re: [Xen-users] Open SSI paravirtualized kernel available for xen 3?
From: Tim Post <tim.post@xxxxxxxxxxxxxxx>
Date: Fri, 19 Jan 2007 11:54:00 +0800
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On Thu, 2007-01-18 at 20:31 -0200, Christopher G. Stach II wrote:
> Tim Post wrote:
> > Hello to all, 
> > 
> > I was having quite a bit of luck using OpenSSI paravirtualized with Xen
> > 2.0.7.
> > 
> > I have *not* had much luck with OpenSSI running as a HVM guest, no
> > matter what base Debian flavor I use. Several test machines were used,
> > some socket AM2 and some dual core duos. I have not yet tried the FC3
> > version, would like to first explore a paravirtualized kernel.
> > 
> > Does anyone know if the Open SSI kernel has been ported to Xen 3
> > (paravirtualized), or if there is any kind of effort to accomplish this?
> > 
> > Many thanks in advance.
> 

> It hardly works on its own. :)  

The Debian - SSI/Xen in 2.0.7 worked really, really well. It did better
than expected load tested, had great uptime and was a cinch to setup as
HA.

> If you want something that you have to
> babysit, and can crash really easily, and use FC3,

I try to avoid Fedora (or yum distros), I much prefer GNU. I was
considering trying FC3/SSI as a last resort / HVM guest just to get a
proof of concept up for something. For something like Open SSI, a
paravirtualized kernel would be ideal.

>  I still don't think
> anyone is actively working on it.  It hardly feels like anyone is even
> working on OpenSSI these days.

I noticed that too. I try not to complain about projects not releasing
(heck I'm a Debian user, I'm used to it) .. but I do get a little
irritated if it starts to look like a project should be passed on to
others, but isn't being passed on. I think the developers are working on
things much cooler now (professionally) , going back to Open SSI for
them would be like going back to Duplo after using Leggos.
Understandable.

>   A few people have mentioned it, and I'm
> interested in it, but you'd probably have to roll your own.

I'll keep digging in the off chance I find someone who picked it up and
has gotten somewhere. I'd rather help someone else finish rather than
start from square-0 needlessly. But if I can't find someone else mucking
with it, I'll probably do it myself. When the Xen / IB stuff is done /
stable / working, Mosix (and clusters using some kind of Mosix plugin)
will get new life, I think. It's a worth while effort to at least get
started on paravirtuzlizing one of them up to 3.0.4 so other efforts can
be dropped into place once completed.

Thanks for chirping in.

Best,
--Tim



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