DWW0651I Read failed for log dddd.synadinfo.

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A physical error on a basic sequential access method (BSAM) data set is detected when reading the log dddd.

The SYNAD information synadinfo contains the job name, step name, unit address, device type, ddname, operation, error description, physical-DA, and access method.

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This message is followed by a message, in the range DWW0210–DWW0212, which shows the system action.

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• Batch–See the description of the SYNADAF message buffer format in z/OS® DFSMS Macro Instructions for Data Sets.
• Online–See the description of the SYNADAF message buffer format in z/OS DFSMS Macro Instructions for Data Sets.