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Technotes(FAQs)

Technotes(FAQs)

Understanding daisy-chaining of CICS DPL requests and the role of CPSM in dynamic routing

You are trying to statically route CICS distributed program link (DPL) request that will subsequently be dynamically routed to another region. In other words, if CICSA statically routes PROGRAMA to CICSB, you want to know if CICSB can then have PROGRAMA defined as dynamic and then route it to CICSC. Can you use CICSPlex SM (CPSM) to perform the dynamic routing?

Affect reducing the DB2CONN PURGECYCLE value has on CICS TS

You want to reduce the number of DB2 protected threads used by CICS Transaction Server for z/OS (CICS TS). You are considering reducing the PURGECYCLE parameter of the DB2CONN definition to 2 seconds so that only the protected threads that are used frequently will stay active. You want to know, what process scans the threads every purge cycle and would decreasing the PURGECYCLE value have any negative effects?

Correlating autoinstalled terminals in AORs with the terminals shipped to the TORs

How can you correlate the terminal ids (TERMIDs) for autoinstalled terminals in your CICS Transaction Server for z/OS (CICS TS) terminal owing region (TOR) with the TERMIDs for the terminals that are shipped to the application owning region (AOR)?

Recovering when logstream datasets reach extent limit of 168 due to looping CICS transaction

You have a loop in a CICS transaction that is causing the MVS logstream dataset and DFHSHUNT to fill up. You receive messages DFHLG0777, DFHLG0774 RC04 RSN408, DFHLG0774 RC08 RSN85C, DFHLG0735. You are able to kill the looping transaction, but all 168 offload datasets are full and no more offload processing is able to complete. How can you complete the offload and make your logstreams usable again?

Recovering when logstream datasets reach extent limit of 168 due to looping CICS transaction

You have a loop in a CICS transaction that is causing the MVS logstream dataset and DFHSHUNT to fill up. You receive messages DFHLG0777, DFHLG0774 RC04 RSN408, DFHLG0774 RC08 RSN85C, DFHLG0735. You are able to kill the looping transaction, but all 168 offload datasets are full and no more offload processing is able to complete. How can you complete the offload and make your logstreams usable again?

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