A standard holder address space job log consists of the following DD names (example from JES2/SDSF):
NP DDNAME StepName ProcStep CrDate-CrTime O-Grp-N DSID Owner ZCOTSPRT TAURISPP mm/dd/jjjj hh:mm:ss 104 TAUUSR T0000005 TAURISPP mm/dd/jjjj hh:mm:ss 112 TAUUSR T0000004 TAURISPP mm/dd/jjjj hh:mm:ss 109 TAUUSR T0000003 TAURISPP mm/dd/jjjj hh:mm:ss 113 TAUUSR T0000002 TAURISPP mm/dd/jjjj hh:mm:ss 111 TAUUSR T0000001 TAURISPP mm/dd/jjjj hh:mm:ss 110 TAUUSR SYSTSPRT TAURISPP mm/dd/jjjj hh:mm:ss 103 TAUUSR SRVTASK TAURISPP mm/dd/jjjj hh:mm:ss 107 TAUUSR MAINTASK TAURISPP mm/dd/jjjj hh:mm:ss 106 TAUUSR LISTENER TAURISPP mm/dd/jjjj hh:mm:ss 105 TAUUSR MSGTASK TAURISPP mm/dd/jjjj hh:mm:ss 104 TAUUSR JESYSMSG mm/dd/jjjj hh:mm:ss 4 TAUUSR JESMSGLG mm/dd/jjjj hh:mm:ss 2 TAUUSR JESJCL JES2 mm/dd/jjjj hh:mm:ss 3 TAUUSR CMDTASK TAURISPP mm/dd/jjjj hh:mm:ss 108 TAUUSR
The JESYSMSG, JESMSGLG and JESJCL DD names are the standard names used by JES2.