Advanced Topics › Product Activation Considerations › How You Dynamically Change CA MIM Communication Methods › Activate List Structures when COMMUNICATION=XCF or CTCONLY

Activate List Structures when COMMUNICATION=XCF or CTCONLY

This procedure dynamically activates XES list structures when COMMUNICATION=XCF or CTCONLY. The CA MIM system names are GK03, GK13, and GK62.

Note: Be sure that your COMPATLEVEL is set to 12.0 or higher.

The following steps create a primary and a secondary list structure. The primary list structure is the size of the largest DISPLAY CFSIZE command. The secondary list structure is about 20 percent larger.

Follow these steps:

1. Set up your list structures:
   1. Confirm that all systems in the MIMplex are also within the same sysplex.
   2. Enter the DISPLAY CFSIZE command on all systems and determine the optimal size for the new XES list structures.

      @D CFSIZE
      MIM0067I Command DISPLAY 726
      MIM1154I GDIF CFSIZE Display:
      

      The recommended primary GDIF control file size is 10240 KB.

   3. Allocate the list structures using the sample JCL contained in the ALLOCSTR member of the MIM.CNTL library.
2. Activate the list structures.
   1. Allocate the new XES list structures to the MIM address space by using the ALLOCATE command:

      @ALLOC XESFILEID=00 STRNAME=KERGL01#TABLE00
      IXL014I IXLCONN REQUEST FOR STRUCTURE KERGL01#TABLE00 920
      WAS SUCCESSFUL.  JOBNAME: MIM12MIM ASID: 0088
      CONNECTOR NAME: MIM12MIMGK62 CFNAME: CFCCMIM2
      MIM0472I 2049 blocks formatted on KERGL01#TABLE00
      MIM0067I Command ALLOCATE 922
      MIM0153I ALLOCATION successful
      
      @ALLOC XESFILEID=01 STRNAME=KERGL01#TABLE01
      IXL014I IXLCONN REQUEST FOR STRUCTURE KERGL01#TABLE01 925
      WAS SUCCESSFUL.  JOBNAME: MIM12MIM ASID: 0088
      CONNECTOR NAME: MIM12MIMGK62 CFNAME: CFCCMIM1
      MIM0067I Command ALLOCATE 926
      MIM0153I ALLOCATION successful
      

   2. Enter the ALLOCATE commands on all systems.
   3. Confirm the successful allocation with the following DISPLAY FILES command on all systems:

      @D FILES
      MIM0067I Command DISPLAY 937
      MIM0102I Control File Display:
         File Unit Status  Volser   Data Set
          00       USABLE  CFCCMIM2 KERGL01#TABLE00 
          01       USABLE  CFCCMIM1 KERGL01#TABLE01 
      

   4. Use the MIGRATE command for migrating to the XES list structure.

      @MIG CF=00 
      MIM0067I Command MIGRATE 767
      MIM0227I Migration initiated to control file 00
      MIM0088I migration to file 00 IN PROGRESS
      MIM0242I system GK62 VCF deactivation    COMPLETE
      MIM0080I migration to file 00 COMPLETE
      MIM0638I Global Copy Received
      

      The migration is now complete.

3. Verify that CA MIM is using the proper file by issuing the following DISPLAY FILES command:

   @D FILES
   MIM0067I Command DISPLAY 780
   MIM0102I Control File Display:
      File Unit Status  Volser   Data Set
       00       IN-USE  CFCCMIM2 KERGL01#TABLE00
       01       USABLE  CFCCMIM1 KERGL01#TABLE01
   MIM0104I Checkpoint File Display:
      File Unit Status  Volser   Data Set
       00  2064 IN-USE  TSO23C   KERGL01.XE62.CKPT00
       01  2064 USABLE  TSO23C   KERGL01.XE62.CKPT01
   

The list structures are activated and file 00 is being used, which is correct.