Problem solving for messaging engine data stores

Obtain an overview of understanding problems that can occur with a data store.

Subtopics

• Diagnosing problems with data store exclusive access locks
  Diagnose the causes of problems with data store exclusive access locks and examine possible causes to the problems.

• Fixing storage allocation error caused by DB2 Universal JDBC Driver on z/OS
  When using DB2 Universal JDBC type 2 driver on z/OS, the messaging engine fails to start. This is a known issue and can be solved by tuning the JDBC driver.
• Diagnosing problems with the data store configuration
  Find out how to diagnose problems that are caused by the data store configuration and possible solutions to these problems.
• Avoiding failover problems when we use DB2 v8.2 with HADR as the data store
  Use this task to avoid problems that can occur when a messaging engine configured to use DB2 v8.2 with the High Availability Data Recovery (HADR) feature for its data store terminates if the DB2 database fails over.