DFS2729I PERMANENT I/O ERROR READING LOG DATA SET. ANALYSIS TERMINATED.

Explanation
 Module DBFULTA0 attempted to read a log record,
and the access method returned control to the SYNAD address specified
in the log data set DCB, indicating an uncorrectable I/O error on
the log data set.

System action
 Analysis is terminated prematurely with presentation
of the results accumulated up to the point of the error.

Problem determination
 Check the accompanying IEA or IEC messages
for details.