Specifying the Data Set Name (DALDSNAM)

The JES data set name is passed to dynamic allocation using the DALDSNAM key. The format of the data set name is:

userid.jobname.jobid.Ddskey.dsname

If the exact data set name is not known, the generic characters '?' and '*' can be used in the data set name. However the jobname and jobid are required. In the event that more than one data set matches the data set name requested, then the first data set that matches is allocated.

In addition to the standard JES data set name, there are some alternate data names that can be used to allocate specific JES data sets (without knowing the exact data set name) and logical data set concatenations. One alternate format is:

userid.jobname.jobid.jes_dsname

The jes_dsname is one of the following values:

JCL - This is the input JCL (including the SYSIN data sets) exactly as submitted
JESJCLIN - Same as JCL
JESJCL - JCL images as output by the converter
JESMSGLG - JES message log (WTOs issued by the job)
JESYSMSG - JES system messages

Note:

When JESMSGLG is used as the data set name, if JESLOG SPIN is specified, JES2 attempts to logically concatenate the spun off JESMSGLG data sets into a single logical data set.
When JESYSMSG is used as the data set name, if JESLOG SPIN is specified, JES2 attempts to logically concatenate the spun off JESYSMSG data sets into a single logical data set.
JES3 does not concatenate spun off JESMSGLG and JESYSMSG data sets into a single logical data set. The data sets are used as individual ones.

SPOOL Data Set Browse also supports accessing the current SYSLOG for a system (provided that there the system is maintaining a SYSLOG in this JESPLEX). To allocate the logical SYSLOG concatenation for a system specify the following data set name (in DALDSNAM):

sysname.SYSLOG.SYSTEM

The sysname is the MVS™ system name of the system whose SYSLOG the application will examine. JES logically concatenates all the SYSLOG data sets (even if there are multiple jobs) for the specified system in chronological order.