CA MIM provides support for sites with z/OS images configured in XCFLOCAL, MONPLEX, or Multi-System sysplex modes.
If none of the images in your CA MIM complex are in Multi-System sysplex mode, CA MII requires no changes. (Multi-System sysplex mode is indicated by the PLEXCFG=MULTISYSTEM specification in the IEASYSxx member of SYS1.PARMLIB.)
If any of the images are in Multi-System sysplex mode, then you need to activate GRS ENQ propagation by specifying GRS=START, JOIN, TRYJOIN, or STAR in the IEASYSxx member of SYS1.PARMLIB.
CA MII can co-exist with GRS ENQ propagation, but CA MII does not propagate any ENQ request that GRS handles. We highly recommend that you specify GRSRNL=EXCLUDE in the IEASYSxx member of SYS1.PARMLIB. Failure to do so causes unpredictable results.
This specification directs GRS to bypass RNL processing and propagate only the ENQ requests that specify RNL=NO. This causes GRS to bypass processing of most ENQ requests, making them eligible for CA MII processing.
If your site is running a multi-system sysplex with CA MII, it is important that you do not specify SCOPE=ALL for any QNAMEs in your QNAME list unless specifically recommended by the vendor responsible for the QNAME.
Review the QNAMEs in your QNAME list that have SCOPE=ALL specified. These QNAMEs should have a SCOPE of SYSTEMS, unless specifically recommended otherwise by the vendor responsible for the QNAME. SYSDSN and SYSZVOLS are exceptions. SYSDSN and SYSZVOLS should have a SCOPE of SYSTEM.
Note: For more information, see the CA MIM Statement and Command Reference Guide.
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