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How to check VSAM dataset?
You can use the EXAMINE IDCAMS command to analyze and report on the structural integrity of the index and data components of a key-sequenced data set cluster (KSDS) and of a variable-length relative record data set cluster (VRRDS). Any problems with the VSAM data set will be reported by one of the IDCxxxxx messages.
The VERIFY command causes a catalog to correctly reflect the end of a VSAM data set after an error occurs while closing a VSAM data set. The error might
The DIAGNOSE command can be used to scan a basic catalog structure (BCS) or a VSAM volume data set (VVDS) to validate the data structures and detect structure errors.