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Status Delivered
Workspace CICS Transaction Server for z/OS
Categories Other
Created by Guest
Created on Jul 21, 2015

RELATED IDEAS

CICS 5.2 TYPE 2 DB2 Connection

I would like to be able to dynamically change the connection of a CTS region/regions to use a new DB2 subsystem.

Idea priority High
  • Guest
    Reply
    |     Oct 5, 2015

    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

  • Guest
    Reply
    |     Jul 22, 2015

    CICS TS already has this capability. If you specify standbymode(reconnect) on the DB2CONN definition, it means if DB2 goes down, it drops in standbymode and initiates reconnection.

    So for example if DB2A and DB2B are in DB2 data sharing group GRP1 and you specify GRP1 as the DB2GROUPID parameter on the DB2CONN definition, the CICS uses DB2 group attach and will connect to whatever member is active on the LPAR, so lets says this is DB2A.

    If you then bring up DB2B on the same LPAR and STOP DB2A, then the CICS-DB2 Attach automatically will drop into standbymode and will reinitate a group attach and will connect to DB2B.

    When you've finished applying maintenance to DB2A if you bring it up and shutdown DB2B, then CICS will automatically reconnect to DB2A

    Does this satisfy your requirement ?

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