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Hello fellow SAP on IBM i people,

I'd like to point out a newly published technical reference of a large scale SAP HA on IBM i implementation at Al Mansour Holding Company.

SAP on IBM i installations are often designed with Disaster Recovery (DR) in mind. Many DR configurations are based on having the database and file system in an independent mirrored storage pool (iASP) or mirrored by logical replication. By configuring an SAP system to also use replicated central services according to the SAP HA standard, the SAP system can be switched between hosts in near zero downtime for maintenance or in the case of failure.

The reference describes the technical details of how Al Mansour Holding Company operates three Highly Available SAP clusters for ERP, SCM, and BW based upon application HA with replicated SAP central services, database and file system mirroring with iASP, and managment by PowerHA for IBM i.

Click the following link to be directed to the IBM site where the reference is published:; alternatively, click here to be directed to the PDF itself:

By the way, if you are also considering installing or converting an SAP system to an Highly Available one based on SAP central services, or have further questions, we'd like to know; please open a ticket to BC-OP-AS4 and tell us.

    ... Eric