Couple Clustering Questions

[Michael Green]

On Wed, 23 Feb 2005 08:49:05 -0500, James Pifer <jep at obrien-pifer.com> wrote:
> On Tue, 2005-02-22 at 10:04, James Pifer wrote:
> > I'm trying to figure out if and how something could be done. I'm not
> > trying to be completely lazy, I have looked at the following sites among
> > others:
> > http://lcic.org/ha.html
> > www.beowulf.org
> > http://www.linux-ha.org/
> >
> > We use a Xiotech Magnitude storage system. Here's what I'm trying to
> > figure out. I'd like to setup two systems in a cluster, like a load
> > balance, but sharing the same disk on the Magnitude. So it would look
> > like one system, same IP address, etc. If one goes down, the "system" is
> > still functioning.
> >
> > Can anyone tell me if this setup is possible?
> > What pieces I should be looking at?
> >
> > Thanks,
> > James
> 
> Just a bump. Just want to find out where I should be looking to create a
> two node cluster that shares the same disk and looks like one machine.
> Is this possible?
> 

yes, those are called SSI (single system image) clusters.
If want to look at free stuff have a look at these:
http://openmosix.sf.net - most popular 
http://www.openssi.org - second popular
http://kerrighed.org - new, looks promising