Is it possible that you have batch jobs uncataloging tape datasets via IEFBR14 with JCL DISP=(OLD,UNCATLG) & UNIT=DEFER?
I had a case once (long ago) where the (non-IBM) robotics would honor the fleeting mount message and physically mount the tape, even though the job(step) had completed. The volume stays mounted until there are no more available drives, just in case you are trying to use AVR (automatic volume recognition). An unload fixes the "problem" (we even wrote an automation rule to periodically issue unloads to drives with no allocated users...). IMHO the "problem" is/was cosmetic... Randy -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] Behalf Of Mark Zelden Sent: Monday, November 27, 2006 11:21 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: Orphan Tape mounts On Fri, 24 Nov 2006 12:18:03 -0600, John Benik <[EMAIL PROTECTED]> wrote: >Yes unloads work, but when we have a lot of them it's quicker to vary >the drives offline and back on. We tried running a job using retain and >were unable to reproduce this. > I've never looked into them... but I do see them also. So I'm not sure what the exact circumstances are. One thing that I'm sure leaves them mounted is a system crash. :-) (had any of those lately?) Have you looked at the tape volser and the creation job in your tape management software to see if that provides any clue? Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - GITO mailto:[EMAIL PROTECTED] z/OS and OS390 expert at http://searchDataCenter.com/ateExperts/ Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
