Re: Creating single instance database on Linux with Oracle clusterware

From: John Thompson <>
Date: Fri, 21 Nov 2008 13:12:23 -0600
Message-ID: <>

We do it a bit different; we're using OCFS2 to share the OH's and ASM for the storage. CRS to give us active/active and activie/passive. We've had no problems so far with the OCFS2 shared OH's.

On Thu, Nov 20, 2008 at 3:20 PM, Dan Norris <> wrote:

> I don't think there's any reason that a shared OH *shouldn't* work--we
> never tried. That said, I personally don't feel that there's very much
> overhead with using local OHs since the installer installs all 6 nodes from
> a single session. When it's time to patch, I do a new OH, patch it up to
> whatever level we want/need, migrate DBs to use the new OH and eventually
> deinstall the previous OH after all DBs are migrated. That's been working
> well for us as we support 15+ DBs in our 6-node cluster.
> Good luck!
> Dan
> On Thu, Nov 20, 2008 at 4:16 PM, Maureen English <>wrote:
>> Dan,
>> Everything is the same, except that we don't have 'locally-installed OHs'.
>> The OH is on a shared filesystem. However, when we moved it to a local
>> filesystem, my problem went away.
>> I've found a number of Metalink notes that discuss problems related to
>> the shared file system, so we're looking into other options, mainly just
>> what you have...locally-installed ORACLE_HOMEs on each node.
>> Thanks.
>> - Maureen

Received on Fri Nov 21 2008 - 13:12:23 CST

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