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Former Member

Add a new node to an existing cluster

Hi experts,

We have the current configuration, a cluster environment in which both nodes are configured to support SAP and/or SQL

We are trying to add a third node to the cluster, that will be configured only to support SQL (SAP can only run on the
existing nodes, SQL can run on any node)

This new configuration would mean that in the event of a failure we can move the SQL recourse to the new node, leaving SAP to run on the existing node configured with SAP.

This would still produce the requirements in protecting the resourse from being over utilised on a single node.


Could you please confirm us if this configuration can be made?

As additional info: We have Windows Server 2003 Enterprise Edition x64 in our cluster nodes.

Is there any special configuration to include a third cluster node only in SQL Group of our SAP Cluster ERP?

Many thanks in advance,

Raul

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2 Answers

  • Best Answer
    Posted on May 30, 2013 at 08:44 AM

    Good Day

    Unfortunately it is not supported.

    Check this article and your answer is there

    http://scn.sap.com/docs/DOC-25454

    How many failover nodes are currently supported by MSCS/SAP?

    The number of SAP cluster nodes is only limited by the maximum of cluster nodes supported by MSCS. For Windows Server 2003 the maximum is 8 cluster nodes which mean 7 failover nodes. When using the SAP Replication Server with a cluster configuration the number of nodes is currently limited by two nodes.

    Regards

    RB

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  • author's profile photo Former Member
    Former Member
    Posted on May 30, 2013 at 01:04 AM

    Hi Raul

    I thing sap supports Two node cluster you may not add the third node Kindly go thru the below link and SAP Note - 106275

    http://help.sap.com/saphelp_nw70/helpdata/en/04/285ea6a87f11d194a400a0c930df15/content.htm

    Thanks & Regards

    Ram

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