An I/O error occurred in processing an extent of the data set for a DEFRAG operation.
The extent is not moved. Processing is continued with the next data set extent. The return code is 4.
None.
Use the PRINT command to print the contents of the track or use ICKDSF to recover the data and assign an alternate track. If a system I/O error message accompanies this message, take the appropriate action recommended at your site for the error.
DFSMSdss