ZIIP=ENABLED

The ZIIP option tells BMC AMI Recover whether to attempt to use IBM System z Integrated Information Processors (zIIPs). BMC AMI Recover can use enclave service request blocks (SRBs) to enable zIIP processing automatically while running jobs. Using zIIP processing can reduce the overall CPU time for BMC AMI Recover jobs.

Tip

When you use zIIPs, we recommend that you specify IIPHONORPRIORITY=YES in the IEAOPT member of SYS1.PARMLIB.

Related topic

BMC-AMI-Recover-installation-options

You can specify one of the following values:

  • ENABLED tells BMC AMI Recover to attempt to offload eligible processing to an available zIIP. If the zIIP is busy or not available, normal processing continues on a general-purpose processor.
  • DISABLED tells BMC AMI Recover not to attempt to use zIIP processing.

To enable and use zIIP processing with BMC AMI Recover, you must:

  • Have an installed authorized version of XBM or SUF
  • Start and maintain an XBM subsystem in your environment
  • Have a zIIP available in your environment

You can specify a particular XBM subsystem to use by specifying a value for the XBMID installation option or OPTIONS command XBMID option. For more information, see XBMID-ssid-or-xbmGroup or XBMID-ssid-or-XBMID-xbmGroup.

XBM and SUF are licensed, installed, and maintained separately from BMC AMI Recover. You can use either XBM or SUF, depending on the license that you have obtained:

  • A license for the full version of the XBM product authorizes you to use all features of XBM.
  • A license for SUF authorizes you to use only the snapshot and zIIP-processing features of XBM.

For more information about XBM and SUF, see the SNAPSHOT UPGRADE FEATURE for DB2

You can override the value for this option by using the ZIIP command option.

 

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