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Solaris Cluster Server Homogeneous System Copy

Hi,

We have SAP ECC 6.0 on Solaris Sparc server. Our database is Oracle 10.2.0.2. We will buy 2 new solaris server and we want to use these server as cluster. We want to make homogeneous system copy from current server to new cluster server. How can we make homogeneous copy from current server to new cluster server? Firts of all do we have to install new ECC 6.0 on cluster server and then will we make homogeneous system copy?

Also how can we install ECC 6.0 on Solaris Cluster server? Will we have install ECC 6.0 seperatly for each server of cluster unit? I have SAP installation document but it is not clear. Do you have another document for SAP installation on cluster server? Please help us about these issues.

Best regards.

replied

First to move your ECC system from your current server to the new server, yes you do need to homogenous copy. There are other methods like storage sub-system level copy, but it is not supported. Since your system is ABAP, you can setup standby database on the new server and use dataguard to replicate database. You can manual move profiles, binaries and other application file systems manually since they are on external storage. You should change your profiles to use logical hostname instead of the physical hostname though Solaris 10 gives you the ability to move zone/containers with same hostname.

I am assuming you have distributed system, ie database and SAP separate. You can setup RAC for database HA. For SAP, you can use sun cluster or veritas cluster to move SAP central instance with the logical hostname to the 2nd standby server.

You can also separate ASCS from SAP central instance and setup failover for the CS instance with the cluster software. Check notes 821904, 870652. You can take another step in HA with ENQ replication (see http://help.sap.com/saphelp_nw70/helpdata/EN/36/67973c3f5aff39e10000000a114084/content.htm)

-Regards

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