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RAC: single versio of CSS
Hi I am trying to configure RAC 10g R2 on Oracle Enterprise Linux
2.6.9-42.0.0.0 on my two home systems. Doing for testing purpose using
NFS mount on ocfs file systems.
While installing Oracle Clusterware I am getting this error.
-------------------------------
The installer has detected that you have configured single-instance
version
of Cluster Synchronization Services (CSS) on the following nodes in
the
cluster.
node 2.
-------------------------------
Can you please suggest me how to fix this, or if this is not possible
if not using
shared storage ?
Regards,
Jagjeet Singh
Hi Jagjeet, If I understand it right, you've no shared storage in place for your
RAC install?
This will be required Im afraid. The only supported option for NFS
is to use a NAS attached device, but even then with specific platform/
vendor certifications.
If you want to have a test system you can play with, you could
consider installing RAC over 2 virtual servers on the same phisical
server, using VMWare. This will let you create a "virtual" shared
storage device that can be seen from both VMs.
http://www.oracle.com/technology/obe/obe10gdb_vmware/index.html
Hope that helps,
Bruno.
On May 14, 8:20 am, Jagjeet Singh <jagjeet.ma@gmail.com> wrote:
> Hi > I am trying to configure RAC 10g R2 on Oracle Enterprise Linux
> 2.6.9-42.0.0.0 on my two home systems. Doing for testing purpose using
> NFS mount on ocfs file systems.
> While installing Oracle Clusterware I am getting this error.
> -------------------------------
> The installer has detected that you have configured single-instance
> version
> of Cluster Synchronization Services (CSS) on the following nodes in
> the
> cluster.
> node 2.
> -------------------------------
> Can you please suggest me how to fix this, or if this is not possible
> if not using
> shared storage ?
> Regards,
> Jagjeet Singh
Hi Bohana, Thanks for your reply, can you please look into this link.
http://www.oracle.com/technology/products/database/clustering/pdf/thi...
Am I interpreting this wrong, I go this expression now oracle
clusterware from this version is supported on NFS
Regards,
Jagjeet Singh
-----------------------------------------------Reply-----------------------------------------------
Hi Bohana, Thanks for your reply, can you please look into this link.
http://www.oracle.com/technology/products/database/clustering/pdf/thi...
Am I interpreting this wrong, I go this expression now oracle
clusterware from this version is supported on NFS
Regards,
Jagjeet Singh
-----------------------------------------------Reply-----------------------------------------------
On May 14, 1:33 pm, Jagjeet Singh <jagjeet.ma @gmail.com> wrote: Is it possible that you have an instance of css already running on that node (i.e. it may be started due to ASM) preventing the installation of the CRS? -----------------------------------------------Reply-----------------------------------------------
Actually this is a fresh node, no ASM instance is running. Can you please tell what things I need to check for this.
-----------------------------------------------Reply-----------------------------------------------
On May 14, 4:02 pm, Jagjeet Singh <jagjeet.ma @gmail.com> wrote: > Actually this is a fresh node, no ASM instance is running. > Can you please tell what things I need to check for this.
Check the output of ps -ef|grep css on node 2. -----------------------------------------------Reply-----------------------------------------------
Hi, Thanks for this, really cssd was running, I just made it stop
BUT new error - about my ocfs location.
Oracle is saying it is not shared from all nodes.
I have nfs mount my /u01_ocfs file systm to second node. And I am
able to see/edit this filesystem from other node also.
I am not using any shared storage, just simple hard disk and nfs mount
to second node.
Can we install RAC using this configuration just for curiosity or want
to see to running on my system.
Regards,
Jagjeet Singh
-----------------------------------------------Reply-----------------------------------------------
On May 15, 1:17 pm, Jagjeet Singh <jagjeet.ma @gmail.com> wrote:
> Hi, > Thanks for this, really cssd was running, I just made it stop
> BUT new error - about my ocfs location.
> Oracle is saying it is not shared from all nodes.
> I have nfs mount my /u01_ocfs file systm to second node. And I am
> able to see/edit this filesystem from other node also.
> I am not using any shared storage, just simple hard disk and nfs mount
> to second node.
> Can we install RAC using this configuration just for curiosity or want
> to see to running on my system.
> Regards,
> Jagjeet Singh
That will not work. To run RAC you need a clustered file system (ASM, OCFS, etc.). NFS mount is not what you need. Check Oracle documentation and the web
for storage alternatives - a cheap one for playing around could be
iSCSI.
-----------------------------------------------Reply-----------------------------------------------
Jagjeet Singh wrote:
> I am not using any shared storage, just simple hard disk and nfs mount
> to second node.
And that is precisely the issue. You MUST have shared storage. And that doesn't mean sharing out the C drive in Windows. Read the concepts books at tahiti.oracle.com. -- Daniel A. Morgan University of Washington damor @x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.org
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