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Cross-System Image Manager requirements


The following requirements apply to the Cross-System Image Manager (XIM) technology.

  • You must APF authorize the following data sets:
    • HLQ.NVSAM.UBMCLINK
    • HLQ.BMCLINK or HLQ.RTE.BMCLIB
    • HLQ.NVSAM.UBMCLIB   
  • You must be using the job entry subsystem 2 (JES2) or job entry subsystem 3 (JES3) component of the IBM z/OS system.
  • On a JES3 component, you must start XIM on the global processor.
  • You must install the load modules for XIM into an APF library.
  • If version 1.3.00 or earlier of XIM for Db2 or XIM for IMS is already installed on your Db2 subsystem in an authorized library or in a LINKLIST data set, you must upgrade to version 1.3.02 of XIM. Version 3.2.00 and later of the Database Administration solution requires version 1.3.02 of XIM.
  • Only one XIMstarted task procedure can be active on each image with the same group name for XIM.
  • You must start XIMon every image on which you want to execute a worklist in parallel.
  • The dispatch priority for the XIM started task procedure must be set to a higher level than the dispatch priority for the product using XIM (for example, a BMC AMI Change Manager for Db2 batch job or the BMC AMI Reorg for IMS
     product).
  • You must have sufficient system linkage indexes (LXs) for your IBM z/OS subsystems. One LX is required for each XIM address space.
  • An available entry must exist in the IBM cross-system coupling facility (XCF) for XIM to define the group, and XCF services must be running in a multi-system environment. 

 

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Installation System