In-Doubt Resolution - IBM CICS Interface for Teradata

IBM CICS Interface for Teradata Reference

Product
IBM CICS Interface for Teradata
Release Number
16.10
Published
May 2017
Language
English (United States)
Last Update
2018-10-12
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B035-2448
lifecycle
previous
Product Category
Teradata Tools and Utilities

It is possible for a failure to occur during the 2PC session. Possible causes include the following:

  • A lost communication link between the coordinator (such as CICS) and the participant (such as the Teradata Database)
  • A CICS system crash
  • A participant (such as DB2) experiences a system failure

When the electrical power, system, or communication line is restored after a failure, the coordinator reconciles existing activity logs from the coordinator and the participants.

If the logs cannot be reconciled, then in-doubt resolution is necessary.

There are two forms of in-doubt resolution: automatic and manual.