Limited supportBMC provides limited support for this version of the product. As a result, BMC no longer accepts comments in this space. If you encounter problems with the product version or the space, contact BMC Support.BMC recommends upgrading to the latest version of the product. To see documentation for that version, see BMC AMI Recovery Manager for Db2 13.1.

Subsystem-level considerations


You can browse, update, or delete subsystem backup and recovery options from the Main Menu.

Initially, no values are provided, and you must enter new values if you want them to be different from the defaults that are provided by BMC AMI Recovery Manager. Although you can display and change the current option settings, you cannot save these without the proper authorization. For more information, see Authorization to modify subsystem backup and recovery options.

The options that are available for update at the subsystem level are identical to those available at the object set level. For more information, see the following topics:

Use the procedure in Setting subsystem-level optionsto update subsystem options. Only one set of subsystem-level options is stored in the repository; therefore, that set applies to all members within a data sharing object set.

Tip

  • Do not set the options for alternate resources and site type at the subsystem level.

    These options cause the recover utility to utilize specific recovery resources in a given order. Setting these values at the subsystem level results in all recoveries utilizing the same default recovery resources and site type, which may not be appropriate for all recovery scenarios.

  • Establish backup and recovery option values for the subsystem before specifying values for object sets in the subsystem.
  • Keep the values of the default work unit and space allocations current, especially if you use BMC AMI Recovery Manager to prepare for disaster recovery.

    The system resource recovery job creation program, ARMBSRR, uses these values to dynamically allocate a significant number of data sets and to calculate catalog and directory space. Select Subsystem Options on the BMC AMI Recovery Manager Main Menu to verify the current values of the default work unit and space allocations.

  • Specify a work file space equal to or larger than the space that is required by your largest directory space.

Setting subsystem-level options

Starting at the Main Menu, you can browse, update, or delete subsystem options for the entire Db2 subsystem.

You can select backup options, recovery options, work file options, and post-recovery copy options. If you are using the BMC Recovery Management for Db2 solution, you can also set your Service Level Agreement recovery time. If you have the proper authority, the changes take effect immediately.

Setting subsystem-level options.png

Before you begin

You might need the following information to set subsystem options:

  • Recovery options:

    • The recover utility that you will use and the options that you will change
    • Work file option information

    If you want post-recovery image copies created immediately after recovery, you need to know the following:

    • Which copy utility that you will use
    • Which image copy types that you will make
    • Which copy options that you will change
  • Backup options:
    • The backup utility and the backup options that you will change
    • Which image copy types that you will make

You will also need the following authorizations:

  • EXECUTE authority for BMC AMI Recovery Manager
  • SYSADM, Db2 installation SYSADM, system DBADM, DBADMAUTH, DBMAINTAUTH, or DBCNTLAUTH authority for the repository

You can also set up authorization verification mechanisms as follows:

Important

BMC AMI Recovery Manager performs external security checking if you select option 4 Subsystem options from the Main Menu. This check is not used in batch because subsystem options are only updated online.

  • If the Db2 DSNX@XAC authorization exit is available for your system, BMC AMI Recovery Manager uses this exit to verify authorization for external access. The exit is available from the following sources:
    • IBM provides a sample exit with Db2 for the IBM Resource Access Control Facility (RACF ) component.
    • CA Technologies provides the DSNX@XAC exit with CA-ACF2 Security for Db2 and CA-Top Secret Security for Db2.

      We recommend this mechanism for implementing external security. The access control authorization exit must be available in the STEPLIB, JOBLIB, linklist, or in the SYS3.DSN exit.

  • If the DSNX@XAC exit is not available, BMC AMI Recovery Manager uses the standard Db2 method to check security.

To browse, update, or delete subsystem-level options

Start this procedure at the BMC AMI Recovery Manager Main Menu.

  1. On the BMC AMI Recovery for Db2 Main Menu, select 4. Subsystem options.
  2. In the Utility Options Specification panel, select BrowseUpdate, or Delete and Recovery or Backup, as required. You can also select Process, which enables you to update your service level agreement options for full subsystem recover.Follow the instructions that are displayed on this and subsequent panels to view or change options for this subsystem. For more information, see:
  3. To return to the Main Menu, press F3.


 

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