// DLBL SYSADAT,'HLASM.WORK.SYSADAT',0,VSAM,RECORDS=(100,100),         X
               RECSIZE=32760,DISP=(NEW,KEEP),CAT=VSESPUC

The associated data file contains information about the assembly. It provides information for use by symbolic debugging and cross-reference tools. The SYSADAT file must be directed to a direct-access storage device and can be a SAM file or SAM-ESDS file.

The recommended minimum LRECL for the SYSADATA data file is 8188.