Depending on the JCL used, the system directs a dump to the SYSUDUMP, SYSABEND, or SYSMDUMP data set. If the system did not produce a dump, you might need to recreate the failure and obtain one. For information about obtaining a dump, see z/OS MVS Diagnosis: Tools and Service Aids.
Note: SYSUDUMP data sets usually do not contain enough information to be useful in diagnosing a failure.
This information includes the abend code, PSW contents, and general-purpose register contents. The abend code is 3 characters long. To obtain the job log, you must specify the JCL parameter MSGLEVEL=(1,1) on your JCL JOB card.
For more information on dump documentation and analysis, see z/OS MVS Diagnosis: Tools and Service Aids.