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DSNB's not expiring question

 
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MadHadder

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Joined: 09 Apr 2008
Posts: 9
Location: Virginia

PostPosted: Tue Jul 27, 2010 7:22 pm    Post subject: DSNB's not expiring question
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I'm having an issue where my DSNB's are growing at a very high rate and its getting to the point that it might start causing problems. Has anyone ran into a case like this where the problem is not the expired DSNB’s but rather the few cataloged data sets on a set of tapes which in turn keeps the expired DSNB’s. If so does anyone know a way to correct something like this.
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Pete Wilson

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Joined: 31 Dec 2009
Posts: 445
Location: London

PostPosted: Wed Aug 11, 2010 4:31 pm    Post subject:
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I don't think DSNB's on multi-volume multi-file tapes expire or release until everything in the set finally expires.

Is this a virtual or native tape environment? Maybe your virtual tape sizes are to small? Maybe there's bad JCL around that doesn't cater for a virtual tape environment. Have a look at the jobs creating the tape files. It should become clear if you run a few TMSGRW jobs collecting CJOB, CDATE, DSN etc. Maybe someone is 'reusing' one or more of the datasets in the set thus never allowing the rest to expire?
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