Re: Oracle 9i RAC vs Hardware clustering (like HACMP)

From: Steve Howard <stephen.howard_at_us.pwcglobal.com>
Date: 19 Oct 2004 07:12:04 -0700
Message-ID: <6d8b7216.0410190612.47edc6e7@posting.google.com>

narrapraveen_at_gmail.com (Praveen) wrote in message news:<868a4e1a.0410180732.1bdd0341_at_posting.google.com>...
> Hello,
>
> We are exploring the options of high availability. Harware clustering
> seems to be the first choice and using Oracle RAC on a hardware
> cluster would further enhance availability. But could anyone let me
> know the advantages of using Oracle RAC instead of plain hardware
> clustering such as HACMP.
>
> Thanks,
> Praveen

If you are talking about using HACMP specifically, in the words of Kramer from Seinfeld, "I would advise against that." We have for the last three months been fighting random instance restarts due to clappmond misreading "something" in our environment and thinking the oracle instance is down (when it is not). We output ps -ef, glance, sar, everything to see if there is something it is seeing, all to no avail. We have IBM looking at it right now as I type this.

Regards,

Steve Received on Tue Oct 19 2004 - 09:12:04 CDT