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Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - Transaction Processing
Product - CICS Transaction Server
For recording keeping, the previous attributes were:
Brand - WebSphere
Product family - Transaction Processing
Product - CICS Transaction Server
We have no plans to change CICS-DB2 group attach in this way.
I am not in favour of making such a change, as it will just add confusion. In hindsight we should have implemented group attach with just one parameter, like we did later for CICS-MQ. For MQ, the mqname parameter specifies either the name of a QMGR or the name of a QSG. If the name is a QMGR it will always connect to a QMGR of that name, if it is a QSG it will always use group attach to a QSG of that name.
The customer could easily use a system event for this.
For example the DB2CONN definition could be set up to use DB2ID and specify standbymode(noconnect).
If the connect to the member fails, then a system event could fire off a CICS task which could do
EXEC CICS SET DB2CONN DB2GROUPID(gggg) CONNECTED - change to use group attach and issue connect.
The logic in the started task could be coded to cope with subsequent failures. It could for example try the member first and if not try the group
Regards,
John tilling