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Finding unreferenced datasets without DFHSM


IBM Mainframe Forums -> JCL & VSAM
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Alan Playford

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Joined: 22 Aug 2012
Posts: 48
Location: UK

PostPosted: Tue Jul 12, 2016 9:07 pm
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Guys,
I wish to specify some search criteria to find unreferenced datasets, as part of of a clean-up campaign, against certain disk volumes.
We don't have DFSMSHSM and therefore it is up to individuals to perform their own housekeeping. Of course, that never happens!

So, in your opinions, what is the best way to achieve this using standard IBM utilities (DFSMSdss etc)?
This can be either via batch job (preferred) or online ISPF (ISMF?) if you wish?

A sample of how to do it would be much appreciated!

Regards,
Al
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Abid Hasan

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Joined: 25 Mar 2013
Posts: 88
Location: India

PostPosted: Tue Jul 12, 2016 9:27 pm
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Hello Al,

See if this helps.
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expat

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Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales

PostPosted: Wed Jul 13, 2016 12:47 pm
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What DASD management software do you have installed ?

All of that sort of thing should be automated as part of the DASD management strategy. Adding it to SMS should be a doddle.
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vasanthz

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Joined: 28 Aug 2007
Posts: 1742
Location: Tirupur, India

PostPosted: Wed Jul 13, 2016 4:47 pm
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Quote:
I wish to specify some search criteria to find unreferenced datasets,

Hello,
You could run a IDCAMS DCOLLECT and look for 'D' type records. They have last referenced dates for datasets. That should be a starting point to identify unreferenced datasets.
www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.idai200/recstr.htm
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Pete Wilson

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Joined: 31 Dec 2009
Posts: 580
Location: London

PostPosted: Mon Aug 15, 2016 12:45 pm
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//STEP1 EXEC PGM=ADRDSSU
//SYSPRINT DD *
//X DD DUMMY
//SYSIN DD *
DUMP ODD(X) ALLE OPT(4) PURGE DELETE -
DS(INC( -
data.set.name.or mask -
) -
BY(REFDT,LE,*-35) ) -
/* the above selects dataset matching the dsname masks unreferenced */ -
/* for 35 or more days prior to today */ -
/* then you can specify individual volsers ...or a Storgrp name.. */ -
IDY( -
(volser1) -
(volser2) -
)

STORGRP(sgname)
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Willy Jensen

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Joined: 01 Sep 2015
Posts: 712
Location: Denmark

PostPosted: Mon Aug 15, 2016 4:57 pm
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The VTOC command from CBTTAPE.ORG. Ask for a report including the refdate, filter the report.
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