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тАО11-02-2004 07:51 AM
тАО11-02-2004 07:51 AM
Oracle RAC installation, does not see cluster
I've configured two nodes with MC ServiceGuard, and the cluster seems fine.
Now, when installing Oracle 9i RAC on these systems, while the cluster is active, the GUI does not show me the screens for installing on cluster nodes; it skips to standalone db installation window.
What needs to be done so that oracle will see the cluster at installation time?
The cluster and packages are active and the shared vg is activated in exclusive mode.
Really appreciate any assistance.
Thanks and Regards,
-Alvi
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тАО11-02-2004 08:01 AM
тАО11-02-2004 08:01 AM
Re: Oracle RAC installation, does not see cluster
With SG you install the application on one node, get it working and then the next. Then you set up a script to handle failover when the node fails.
Theres more, but you may be expecting something that isn't supposed to happen.
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тАО11-03-2004 08:39 AM
тАО11-03-2004 08:39 AM
Re: Oracle RAC installation, does not see cluster
Make sure that both nodes are in the /etc/cmcluster/cmclnodelist file, and that it is readable by oracle.
You should have an entry for each node in the file on both systems as:
sysname1 root
sysname1 oracle
sysname2 root
sysname2 oracle
....
I normally build the cluster first, then install Oracle. If you have a problem still, let me know, and I can post my installation document after I check it for proprietary information.
Thanks,
Brian
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тАО11-05-2004 07:14 PM
тАО11-05-2004 07:14 PM
Re: Oracle RAC installation, does not see cluster
Hi Brian,
I have the cmclnodes file configured and readable by oracle.
I initiallly installed MC serviceGuyard ... which was conmfigured and working fine. Thereafter Oracle doesn't go to RAC installation.
I have tghe step by step Oracle documentation for HP-UX Oracle RAC environment. Nothing I missed there.
Will appreciate if you have any other document, more detailed.
For this issue I found that there's a command lsnodes, which during installation should give the nodes of the cluster.
lsnodes gave me the following error.
/usr/lib/dld.sl: Can't open shared library : /opt/nmapi/nmapi2/lib/libnmapi2.sl
/usr/lib/dld.sl: No such file or directory
Abort (coredump)
Now the shared library dld.sl exists and is executable by all. nmap thinkg though doesn't exist. And if its not there its notr a prerequisiste.
Thanks for any assistance.
Regards,
-Alvi
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тАО11-06-2004 04:15 PM
тАО11-06-2004 04:15 PM
Re: Oracle RAC installation, does not see cluster
Thanks,
Brian
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тАО11-08-2004 10:21 PM
тАО11-08-2004 10:21 PM
Re: Oracle RAC installation, does not see cluster
Thanks for the document. Very enlightening.
The main difference, which you mentioned in your earlier post as well is with the cmclnodelist.
Edit /etc/cmcluster/cmclnodelist and add each node in the following format:
-
-
I haven't added the root and oracle users explicitly in this file. However, my version of MC ServiceGuard (11.14) says that this file is no longer needed. Will definitely try it though.
I havew one other isse bothering me. I have the cluster up and the package is active. However, for some reason I'm not able to activate my shared volume group (to be used by oracle) in shared mode. Its activated in exclusive mode.
Could this also cause Oracle not to see the cluster. The error I get when activating the cg in shared mode is as follows:
vgchange -a s vgora
vgchange: Failed to get vg ownership, 251 closing conn.
vgchange: failed to get volume group ownership -Function is not available (251)
Thanks and Regards,
-Alvi
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тАО11-09-2004 05:16 AM
тАО11-09-2004 05:16 AM
Re: Oracle RAC installation, does not see cluster
To be honest, I have no clue. I had a similar problem getting Oracle to allow for a cluster install until I worked out this process, that was repeatable.
You might want to try "vgchange -S y -C y
One thing that I do remember, was that the RAC SG installation was not valid for HP-UX 11.11i on PA-RISC hardware, but only on HP-UX 11.23 with Itanium. I had to use the OPS software which was listed in an Oracle note somewhere. Not sure if this is still true, or if you are aware of it.
Brian
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тАО11-09-2004 07:28 PM
тАО11-09-2004 07:28 PM
Re: Oracle RAC installation, does not see cluster
I suspect that the Oracle install may also be checking for this, hence the problem you are seeing.