Re: Multiple DATABASES on the same RAC cluster

I greatly appreciate all of your comments. I wanted to give some more details about what the client is thinking they want to do. First - they aparently have a requirement that they have more than one version of 9i RAC running - i.e. 9.1.0.3 and 9.2.0.4. They are planning on implementing on the Linux platform - using 2.1AS as their Linux distribution. I don't believe that there is a way to run two different versions of Oracle's cluster services daemons on the same machine - which I believe is necessary to allow each 9i version to run in RAC mode. One of the things that has surprised me since putting out this inquery on different message boards is that no one seems to have tried this yet. I would think that the possibility of what the client wants to do is higher using HACM or Sun Cluster - because both version of 9i would be housed under one cluster services environment. In Linux, I believe that the version of 9i is tied to the version of the cluster services - I might be wrong here - that's what I need to find out. I am trying to get together a system to try this out on - will let you all know what I find. In the mean time - if anyone has an opinion of experience with this please keep responding. Thanks!

Mark J. Kounalis

"Daniel Morgan" <damorgan_at_exxesolutions.com> wrote in message news:3EC50A50.CB6BA747_at_exxesolutions.com...
> Jonathan Lewis wrote:
>
> > The problem comes with (not necessarily
> > sensible) demands about failover time.
> >
> > With failsafe, the cluster has to decide
> > that the service is definitely dead (and
> > it might not be !). Then start an Oracle
> > instance, including the crash recovery,
> > before allowing users in.
> >
> > The time difference probably isn't terribly
> > significant to most people (odd couple of
> > minute, perhaps) but it's too much for
> > others.
> >
> > --
> > Regards
> >
> > Jonathan Lewis
> > http://www.jlcomp.demon.co.uk
> >
> > <snipped>
>
> Which is the case here as it is a telephone company.
>
> Thanks again.
> --
> Daniel Morgan
> http://www.outreach.washington.edu/extinfo/certprog/oad/oad_crs.asp
> damorgan_at_x.washington.edu
> (replace 'x' with a 'u' to reply)
>
>
Received on Fri May 16 2003 - 11:21:09 CDT