IBM-supplied default for DIAGxx

DIAGxx has the following IBM-supplied default parmlib members.
IBM-supplied default parmlib member Contents
DIAG00
  • VSM TRACE GETFREE (OFF)
  • VSM TRACK CSA(ON) SQA(ON)
DIAG01
  • VSM TRACK CSA(ON) SQA(ON)
DIAG02
  • VSM TRACK CSA(OFF) SQA(OFF)

If you do not specify a DIAGxx parmlib member during IPL, the system uses the default member DIAG00, which turns on storage tracking and turns off GFS trace.

If you specify a DIAGxx parmlib member during IPL omitting either the storage tracking or GFS trace statement, the omitted element is turned off.

The system expects a default member to be present. If you do not specify a DIAGxx parmlib member during IPL, and none of DIAG00, DIAG01, or DIAG01 exists, the system uses the following options:
In this case: