Problem solving for messaging engine data stores

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

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 your data store configuration
Find out how to diagnose problems that are caused by your data store configuration and possible solutions to these problems.
Avoiding failover problems when you use DB2 v8.2 with HADR as your data store
Use this task to avoid problems that can occur when a messaging engine that is 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.