IEC707I WARNING - RDBACK ON COMPACTED DATA dev,ser,jjj,sss,dsname
Explanation
The open option RDBACK has been specified for a standard label tape written in compaction mode. If the program is opening a compacted tape data set with the RDBACK option specified, performance will be degraded. If the program is not opening a compacted tape data set with the RDBACK option specified, follow the diagnostic procedures.
- dev
- Device number.
- ser
- Volume serial number.
- jjj
- Job name.
- sss
- Step name.
- dsname
- Data set name.
System action
The job step continues processing.
Operator response
Record the indicated information for use of the volume in conjunction with subsequent requests.
TRACE=SYS,USR,SLIP
DCB=DIAGNS=TRACE
System programmer response
If the error recurs and the program is not in error, look at the messages in the job log for more information. Search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide the JCL, the SYSOUT output, the program listing for the job, and all printed output and output data sets related to the problem.
Source
DFSMSdfp