I just ran into a situation where IEHLIST is providing different results for the same volume depending upon whether it is run from a z/OS 1.11 system or a z/OS 1.13 system.

The JCL looks like this:

//jobname JOB etc.
//*
//LIST    EXEC PGM=IEHLIST
//SYSPRINT DD  SYSOUT=*
//SYSLIB   DD  UNIT=3390,VOL=SER=DSKAA9,DISP=SHR
//SYSIN    DD  *
  LISTVTOC VOL=3390=DSKAA9
/*

Under z/OS 1.11, IEHLIST lists the VTOC as expected. Under z/OS 1.13, IEHLIST issues the following message and quits:

IEH106I UNAVAILABLE DEVICE TYPE OR VOLUME I.D. SPECIFIED

The JCL is identical and the job is being run against the same volume in both cases. The volume is available to both systems. I haven't been able to find any relevant hits. Has anyone else seen the same symptom?

--

Regards, Gord Tomlin
Action Software International
(a division of Mazda Computer Corporation)
Tel: (905) 470-7113, Fax: (905) 470-6507, [email protected]

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