DIAGNOSE INDATASET(your.file) REPORT(SUMMARY) VERIFY Instead of relying on VSAM physical exclusive locks, use CICS ENQ commands:
PRINT INFILE(your.vsam.dataset) COUNT(1) If PRINT fails with "record not found" but you know records exist, run VERIFY : mvsckey not found exclusive
READ VSAM-FILE INTO WS-REC KEY IS WS-CUSTOMER-ID UPDATE. DIAGNOSE INDATASET(your
For system programmers, database administrators, and CICS (Customer Information Control System) operators, encountering this message can bring batch jobs to a screeching halt and lock critical resources. But what does it actually mean? Why does "exclusive" matter? And most importantly, how do you fix it? how do you fix it?