 | | | Oracle cluster configuration : RH Cluster Suite mandatory | Oracle cluster configuration : RH Cluster Suite mandatory 2005-08-24 - By Brian Long
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On Wed, 2005-08-24 at 13:53 +0200, Jacques Beja wrote:
> Oracle clustering system will be installed by Oracle experts (good for me ^_^
) and I assume it will be the RAC system which will manage the concurrent
accesses.
> The point I can't understand is why I can't mount the shared partitions on
both servers :(
>
> DELL support team answered me I need to use GFS instead of ext3, even if I
should be able to mount the partitions.
> I'm a bit lost in this configuration, and even more since the Redhat
clustering suite has begun a special product sold apart :(
I think some clarification is needed. There are at least three ways to
install 9i RAC in a supported configuration.
Oracle recently certified Red Hat's GFS product to replace OCFS as the
clustered filesystem. GFS comes with RH Cluster Suite, but I don't
believe you would use it for a 9i RAC implementation.
Oracle's tried-and-true 9i RAC uses their proprietary OCFS filesystem on
the shared media. OCFS is only usable by Oracle RAC to my knowledge
(unlike the new OCFS v2).
I'm not a DBA, so take my comments with a grain of salt. I believe you
can also use a shared raw partition without OCFS. When using raw disk
IO, Oracle itself manages disk caching / buffering, etc.
For a whitepaper on 9i RAC with GFS, check this out:
http://www.redhat.com/whitepapers/rha/gfs/Oracle9i_RAC_GFS.pdf
/Brian/
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Brian Long | | |
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