Definition of a coupling-facility structure for a log stream

The example JCL shown in Figure 1 defines log stream coupling-facility structures to the system logger. The example is a guide; substitute values that are appropriate for your system.

Figure 1. Sample log stream coupling-facility structure definition

//DEFSTRUC JOB ...

   //POLICY   EXEC PGM=IXCMIAPU
   //STEPLIB  DD DSN=SYS1.MIGLIB,DISP=SHR
   //SYSPRINT DD SYSOUT=*
   //*********************************************************************
   //* Define log stream CF structures to the MVS logger.
   //* AVGBUFSIZE and LOGSNUM values are for illustration,
   //* substitute values appropriate for your intended usage.
   //*********************************************************************
   //SYSIN    DD *
     DATA TYPE(LOGR) REPORT(YES)
     /* Primary system logs   */
     DEFINE STRUCTURE NAME(LOG_IGWLOG_001) LOGSNUM(10)
               MAXBUFSIZE(64000) AVGBUFSIZE(4096)
     /* Secondary system logs */
     DEFINE STRUCTURE NAME(LOG_IGWSHUNT_001) LOGSNUM(10)
               MAXBUFSIZE(64000) AVGBUFSIZE(4096)
     /* Forward recovery logs and user journals that are forced */
     DEFINE STRUCTURE NAME(LOG_IGWFR1) LOGSNUM(10)
               MAXBUFSIZE(64000) AVGBUFSIZE(8192)
     /* Log of logs */
     DEFINE STRUCTURE NAME(LOG_IGWLGLGS_001) LOGSNUM(10)
               MAXBUFSIZE(64000) AVGBUFSIZE(4096)
   /*
   //