From: Green, Simon (SGreen@KRAFTEUROPE.COM)
Date: Tue Oct 01 2002 - 06:15:05 EDT
I'm pretty sure that GPFS is overkill for your situation.
It was originally an SP2 thing, and required the HiP or SP Switch. More
recent versions will also run over other high-performance networks and it's
no longer restricted to SP2.
The idea was that if you had a sufficiently fast network, you could split
your I/O over multiple nodes, taking advantage of the I/O bandwidth of each
of them. It's not really intended simply for sharing data between nodes,
but for applications running in parallel on multiple nodes, with high I/O
requirements. It's also a separate, chargeable product.
Simon Green
Philip Morris ITSC Europe
AIX-L Archive at http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
AIX FAQ at http://www.faqs.org/faqs/aix-faq/
N.B. Unsolicited email from vendors will seldom be appreciated.
> -----Original Message-----
> From: B.N.Sarma [mailto:bsarma@BASIT.COM]
> Sent: 30 September 2002 20:45
> To: aix-l@Princeton.EDU
> Subject: What about GPFS
>
>
> Greetings,
>
> What about GPFS, here is the link:
> http://www-1.ibm.com/servers/eserver/pseries/software/whitepap
> ers/gpfs_primer.html
>
> Any experiences on this. what do I need to setup this. We
> have SSA disks and
> HAMP/ES.
>
> Regards & Thanks
> BN
>
> "B.N.Sarma" wrote:
>
> > Greetings,
> >
> > We have IBM RS6000 AIX 4.3.3 and 2 node HACMP/ES cluster
> running oracle
> > 8.1.7 OPS.
> >
> > I have setup the oracle database on raw devices, every
> thing is fine. I
> > wanted to setup a shared file system for archived redo logs , where
> > oracle instance from both the nodes can archive the redo logs to one
> > shared file system.
> > This (shared FS) facilitates easier backups and recovery in case of
> > oracle database (instance) crash.
> >
> > But we were informed by IBM Tech support that it is not possible to
> > setup a shared file system where we can read, write
> simultaneously from
> > both the nodes. Does HANFS need separate license or is it a
> different
> > product.
> >
> > I was looking at the HACMP documentation, there they talk
> about HANFS
> > again which is limited to 2 nodes, of course it works for us.
> > But I want to know the pros and cons of going for such a
> setup. Oracle
> > 817 offers writing a copy of the archived logs to remote servers.
> >
> > I want to weigh both the features.
> >
> > I appreciate your suggestions and comments.
> >
> > Regards & Thanks
> > BN
>
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