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DB13 MSCS Virtual hostname

Apr 06, 2017 at 05:46 AM

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Hello.

We have a MSCS installtion. (ERP 6.0)
DB running on Node A.

Node A: CI / Oracle 12c / Oracle Fail Safe 4.1 / Windows2012R2
Node B: DI / Oracle 12c / Oracle Fail Safe 4.1 / Windows2012R2

■ Symptoms
When we run the DB13 job without selecting the hostname (backend configuration), the job run on the virtual hostname (oracle clustergroup),
and then the error "program_start_error" occured.

But after we selected the physical hostname (Node A), then the job finished without error.

Someone knows the reason why the DB13 job could not run on the virtual hostname.

Regards,

Kazuaki Anzai

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3 Answers

James Zhang
Apr 06, 2017 at 08:42 AM
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Hi Kazuaki,

Normally this is caused by virtual mapping in the network layer.

Please check the whether the corresponding RFC connection test in sm59 works:

SAPXPG_DBDEST_virtualhostname

I believe the connection test will failed, so following link will help us:

https://wiki.scn.sap.com/wiki/display/SI/SAPXPG_DBDEST_%3CSAPDBHOST%3E+RFC+not+working


best regards,
James

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Hi James

Thanks for the information.

I tried SAPXPG_DBDEST_virtualhostname RFC connection test and
it works on node A but the error (Return Code:20) occurred on node B.

I think sapxpg not running because of sapmnt folder not shared on
virtualhostname (Oracle Cluster group).

Is this belief correct?

Regards,
Kazuaki Anzai

0

Hi Kazuaki,

You can put sapxpg to node B and the cooresponding should be the same with A.

Best regards,
James

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Davide Bettera Apr 11, 2017 at 01:18 PM
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Hi Kazuaki,

have you installed the a standalone gateway on virtualhostaname of Oracle cluster group?

Have you clustered the standalone gateway instance into Oracle Cluster Group?

Have you set in the SAPXPG_DBDEST_<SAPDBHOST> RFC the virtualhostname of Oracle Cluster Group and configure the standalone Gateway in "Gateway Options" of the RFC?

Best regards.

Matteo

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Hi Matteo

No, I didn't install a standalone gateway.

Can I use DB13 without a standalone gateway on virtualhostaname of Oracle cluster group?

Regards,

Kazuaki Anzai

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Manuel Garcia
Apr 19, 2017 at 08:52 AM
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Hi Kazuaki,

With the installation of a standalone gateway in a Microsoft Failover Cluster with Oracle you can execute operation system commands on remote hosts via RFC connections. You can use it to start SAP BR* tools on remote cluster nodes or other applications.

You can find more information in the following SAP KBA:

1764650 - How to install standalone gateway in MS Failover Cluster for Oracle

Best regards,

Manuel

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