Troubleshooting IBM Db2 AI for z/OS

IBM Db2 AI for z/OS provides various log files to assist with diagnosing issues.

Checking the status of Db2ZAI
You can use the following procedures to check the status of Db2ZAI processes and services.
Collecting service documentation
You can collect various types of Db2ZAI service data to help diagnose issues with your system.
Responding to a RACF privilege error when calling ADMIN_COMMAND_DSN
A RACF privilege error can be encountered when the Db2ZAI SQL optimizer background task daemon performs a rebind.
Issues with long-running daemons
This topic provides information for handling long-running threads.
System assessment stuck in STARTED state
A situation can arise where a system assessment never completes and remains in the STARTED state on the System assessment dashboard.
Deploy fails with error "Could not create a connection to jdbc:db2://<hostname>/<applname>:<jdbc_properties>; with ID <deploy_id>: SafRc=8, racfRc=8 racfRsn=16"
A situation can arise in which deploying Db2ZAI fails with error "Could not create a connection to jdbc:db2://<hostname>/<applname>:<jdbc_properties>; with ID <deploy_id>: SafRc=8, racfRc=8 racfRsn=16".
Error message "Failed to verify keys: Too few bytes to parse DER" in job output when starting NodeJS (COYZAIST)
You might receive this error when starting NodeJS.
Missing Distributed connections control statistics for periods before migrating to Db2ZAI 1.6.3
After migrating to Db2ZAI 1.6.3, some Distributed connection controls (DCC) statistics and plots from periods prior to migration will not be available.