Use the CICS® VT utility program VIDUNLOD to unload the VSAM file to a sequential data set.
Sample JCL for this utility can be found in member VIDUNLOD in VID.SVIDSAMP, as follows:
//VIDUNLOD EXEC PGM=VIDUNLOD
//STEPLIB DD DSN=VID.SVIDLODE,DISP=SHR
//SYSPRINT DD SYSOUT=*
//FILEIN DD DSN=appl.base.cluster.file,DISP=SHR
//FILEOUT DD DSN=appl.sequential.unload,UNIT=SYSDA,
// DISP=(,CATLG,DELETE),RECFM=FB,LRECL=108,
// SPACE=(CYL,(25,5),RLSE)
+VIDUNLOD
+VIDUNLOD - HAS SUCCESSFULLY UNLOADED FILEIN TO FILEOUT
+VIDUNLOD