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High Availiability


We are planning for HA in our project. Our SAP setup is as below..

I have gone thru the Installtion manual and collective note on HA

-- it is a 3 system landscape with HA for production server.

-- AIX - 5.3, ORACLE 10G, SAP SR3, dual stack (ABAP + JAVA)

We are going for 2 sytems for production. We want simple HA solution.

I have planned as below.. Pls. correct me if I am wrong..

1. On one node ( Node -A) - I will choose HA Installation from "sapisnt" , it will install ASCS ( standalone enque and message server), I will configure Enque Replication Server (ERS)

2. Dialog instance on other node (Node - B) -

3. IBM HA will sit on Node - A

4. OS guys will help in maping the failover clusters..

Is my understading is correct ?..


Former Member
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