The major commands used to help in problem determination are: F
CATALOG,LIST – Which shows the active tasks in the catalog address
space D GRS,CONTENTION – displays resource contention F CATALOG,TAKEDUMP
– Takes a dump of the Catalog address space F CATALOG,RESTART – Restarts
the catalog address space
Catalog messages in general start with IEC3
Basic Catalog problem determination functions
Catalog provides the following functions to help with problem
determination, data collection, and recovery:
- Use the DISPLAY GRS,CONTENTION command to display resource contention.
- Use the MODIFY CATALOG,LIST command to show the active tasks in
the catalog address space.
- Use the MODIFY CATALOG,RESTART command to restart the catalog
address space.
- Use the MODIFY CATALOG,TAKEDUMP command to take a dump of the
Catalog address space.
- Make sure that all catalog checks are activated and running to
warn you of impending catalog problems. For details, see Catalog
checks (IBMCATALOG) in IBM Health Checker for z/OS User's Guide.