For the Split Mirror Restore Scenario we need FlashCopy tasks for the database data filesystems only without the ‘no copy’ option. We also need FlashCopy tasks for establishing reverse FlashCopy pairs for the database data filesystems. Although these could be defined with the no copy option this is not recommended. We create two group tasks: ts1dbdatafc and ts1dbdatarevfc.

The following table lists the FlashCopy tasks that we created:

Task

Description

ts1sap

SAP system establish

ts1sapwd

SAP system withdraw

ts1db

DB data and logs establish

ts1dbwd

DB data and logs withdraw

ts1dbdata

DB data establish

ts1dbdatawd

DB data withdraw

ts1dblog

DB logs establish

ts1dblogwd

DB logs withdraw

ts1dbdatafc

DB data establish (full copy)

ts1dbdatarevfc

DB data reverse establish (full copy)

5.On the Primary server, create volume groups, logical volumes, and file systems to be used by SAP and DB2. Then change the size of the file systems, mount the file systems, and change ownership of the file systems to the SAP administrator user and the DB2 instance owner respectively.

Below is a list of file systems that will be used for storing the data for the examples used throughout this paper:

The file systems for DB2 data are contained in /db2/TS1/sapdata1 to /db2/TS1/sapdata7 -

The file system for DB2’s active log files is contained in /db2/TS1/log_dir The file system for databases and the database

directory is contained in /db2/TS1/db2ts1/NODE0000 The file system for the SAP software is contained in /usr/sap

Note: The home directory for the DB2 instance owner must be created manually on each machine and will not utilize any pairs. DB2 archive logs do not have to be placed in a pair. They are treated and stored as you would normally do as part of your recovery strategy and plan.

Here are examples of how to create volume groups, logical volumes, and file systems on the Primary server:

Create volume groups

#smit vg ->Add a Volume Group

Configuring a Two Host System

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Image 24
IBM V7.2 manual # smit vg -Add a Volume Group, Create volume groups

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