Put the libraries with the latest version, release, or maintenance level of the WebSphere MQ early code (which is loaded at system IPL) into the libraries used for the z/OS(R) LPA, replacing older versions of these libraries. These libraries are specified in an LPALSTmm member of SYS1.PARMLIB.
The early code comprises the following load modules:
WebSphere MQ includes a user modification that moves the contents of the thqual.SCSQSNLx library into the thqual.SCSQLINK and informs SMP/E. This user modification is called CSQ8ERLY and is described in the WebSphere MQ for z/OS Program Directory.
When you have updated the early code in the LPA libraries, it is available from the next z/OS IPL (with the CLPA option) to all queue manager subsystems added during IPL from definitions in IEFSSNss members in SYS1.PARMLIB.
You can make it available immediately without an IPL for any new queue manager subsystem added subsequently (as described in Task 5: Define the WebSphere MQ subsystem to z/OS) by adding it to the LPA as follows:
SETPROG LPA,ADD,MODNAME=(CSQ3INI,CSQ3EPX),DSNAME=thqual.SCSQLINK SETPROG LPA,ADD,MODNAME=(CSQ3ECMX),DSNAME=thqual.SCSQSNLx
SETPROG LPA,ADD,MASK=*,DSNAME=thqual.SCSQLINK
provided the level of the early code when the z/OS system was IPLed was at least that of Version 5.3. To make it available, do this:.
The WebSphere MQ commands STOP QMGR, REFRESH QMGR, and START QMGR are described in the WebSphere MQ Script (MQSC) Command Reference.
If the early code was below the Version 5.3 level, you must IPL the z/OS system (with the CLPA option) to make the updated early code available to existing queue manager subsystems. Thereafter, it can be updated and made available without an IPL.
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