Robert Peterson wrote:
Celso K. Webber wrote:
Hi Riaan,
Thank for your excelent explanation!
Now I know I'll have to run an Oracle unsupported environment ... :)
Would someone please confirm if the environment suggested by Hirantha
is supported by Red Hat?
* 2 GFS/RAC nodes;
* 2 DLM on RAC/GFS nodes;
* fibre channel external storage.
The above environment is what we usually encounter on our cluster
projects. Sometimes Oracle Database is installed as active-passive
(not a RAC Cluster). It would be useful to know if Red Hat supports
it, even if Oracle does not.
Last question: does Oracle supports a 2-node cluster using DLM for
Oracle Database (no RAC, no GFS) when used with RHCS?
Thanks again!
Celso.
Hi Celso,
Yes, Red Hat will support the configuration you mentioned.
I don't think Oracle will support the DLM locking protocol with RHCS.
Regards,
Bob Peterson
Red Hat Cluster Suite
To supplement what Bob said.
Oracle doesn't "care" (in the nice sense of the word) about RHCS/DLM,
since they are not Oracle's clustering middleware but Red Hat's.
for RHCS-only, Oracle and its resources (VIP, storage, mountpoints) are
like any other clustered service. Oracle will support that config as
long as you can replicate your problem on a standalone/non-clustered
instance (e.g. have the OS manage the VIP/storage/script rather than
RHCS). E.g you need to be able to prove that RHCS is not breaking things
doing things logically different from how the OS would be doing them.
There is a good chapter on Oracle on RHCS at
http://www.redhat.com/docs/manuals/csgfs/browse/rh-cs-en/ch-db-service.html
(You have to use the direct link - or know where to look inside the HTML
tarbal, since neither the PDF version nor the HTML chapter index page
contain references to this chapter. I thought this was in bugzilla
already, but I could not find it. I logged it as BZ 202884
- Database Services chapter (including Oracle setup) missing from RHCS
PDF manual and HTML home page)
Riaan
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