Re: Thoughts on crs installation on HP-UX

From: Maureen English <>
Date: Thu, 22 Jan 2009 15:42:40 -0900
Message-ID: <>

I just got a little more information...we are only using parts of Service Guard and Veritas...not sure how to explain with more details as they are not totally clear to me.

K Gopalakrishnan wrote:
> Maureen,
> There is no information about Version. So I assume 10gR2.
> Is it safe to assume you have 5 nodes on HP-UX/Veritas Cluster and
> want to covert that to Oracle (CRS) clusterware cluster?
> Also there is no mention of RAC (Though you say you will have 6-10 Non
> RAC databases), and if that is the case, why do you need CRS on top of
> VCS?
> I am bad at making assumptions,but here some facts.
> 1. You don't need VCS or Service Guard for RAC. RAC requires Oracle
> Clusterware (CRS)
> 2. Having said that, you can install/run CRS on top of Service
> Guard/VCS though it is not a best practice
> 3. You can have rolling upgrade of Oracle CRS (though all patches are
> not rolling upgradeable!)
> 4. You don't need to install CRS on top of existing clusterware if you
> are not running RAC
> 5. CRS is mandatory for RAC irrespective of OS/hardware
> -Gopal

Received on Thu Jan 22 2009 - 18:42:40 CST

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