Does CA TPX support 'System Managed Rebuild' of its Coupling Facility Structure?

Document ID:  TEC425509
Last Modified Date:  12/28/2017
{{active ? 'Hide' : 'Show'}} Technical Document Details

Products

  • CA TPX Session Management for z/OS

Releases

  • CA TPX Session Management for z/OS:Release:5.4
  • CA TPX Session Management for z/OS:Release:5.3

Components

  • CA-TPX for OS/390:TPX
Issue:

After the loss of the connection to the coupling facility structure, CA TPX does not rebuild the connection and has to be restarted.

Environment:
CA TPX for z/OS
Cause:

A 'System Managed Rebuild' of the TPX structure will occur when all of the following are true: 

  • TPX must be on a currently supported release. (Support for system managed rebuild was added as of CA TPX 5.1.)

  • The TPX CF structure must be defined with 'ALLOWAUTOALT(YES)'.

  • "ITEM NAME(SMREBLD) NUMBER(1)" must be specified when the CFRM couple data set is formatted.
Workaround:

Without these prerequisites you will see messages like the following:

CF-EVT-EXIT: tpx_name CONNECTIVITY LOST, STRUCT xxxxxx

In this case, the TPX started tasks must be restarted in order to rebuild the connection to the structure.

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