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Process to Delete USER CATALOG


IBM Mainframe Forums -> JCL & VSAM
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prasad029

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Joined: 15 May 2007
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Location: bangalore

PostPosted: Wed Nov 09, 2011 4:07 pm
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Hi All,
Can any one please let me know the process to be followed to DELETE a USER CATALOG.

Thanks and Regards,
Prasad
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7309
Location: Inside the Matrix

PostPosted: Wed Nov 09, 2011 4:15 pm
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Let everyone know that it is going to happen, and when.

Provide an alternative catalog to use (optional).

At the "when", back it up to site standards.

Delete it.

Spend the first hour of the following Monday waiting for the 'phone to ring.

It goes without saying, but here it is, you also test everything first. You test the backup, by ensuring that you can restore it. Checking all output messages, check that same amount of space is used, following-up on anything you don't understand. You need a clean backup/restore before you consider the delete.

To test the delete, define a new catalog. Catalog some datasets to it. Back it up. Delete it. Restore it. Delete it.

On the other hand, why are you doing it? Don't you have some storage people whose job it is to do stuff like that?
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prasad029

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Joined: 15 May 2007
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PostPosted: Wed Nov 09, 2011 4:32 pm
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thank you for the reply.
This UCAT is an obselete one and already backed up as per site standards.

Regards,
Prasad
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nevilh

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Joined: 01 Sep 2006
Posts: 262

PostPosted: Wed Nov 09, 2011 4:37 pm
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Beware ........ any Vsam clusters that are owned by the user catalog will also be deleted. Check the contents of the User Catalog to be deleted. You will be suprised how many "obsolete" catalogs are still the owner of Vsam Clusters.
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enrico-sorichetti

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Joined: 14 Mar 2007
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Location: italy

PostPosted: Wed Nov 09, 2011 4:40 pm
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what about ...
DELETE '<catname>' USERCAT

from ISPF option 3.4 just use the line command
DELETE / USERCAT
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PeterHolland

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Joined: 27 Oct 2009
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Location: Netherlands, Amstelveen

PostPosted: Wed Nov 09, 2011 4:42 pm
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Probably your master catalog is pw protected, and there will be no one to tell you that pw. So since you only browse, let the people who know handle that.
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prasad029

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Joined: 15 May 2007
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PostPosted: Wed Nov 09, 2011 7:18 pm
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Hi I did the below:

1. Removed the Datasets and Alias related to the UCAT
2. Deleted the UCAT using IDCAMS DELETE.

Regards,
Prasad
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PeterHolland

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Joined: 27 Oct 2009
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Location: Netherlands, Amstelveen

PostPosted: Wed Nov 09, 2011 10:38 pm
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That sounds great, deleting a ucat without a master catalog pw. Now try to delete the master catalog, that will be funny if its not pw protected.
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expat

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Joined: 14 Mar 2007
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Location: Welsh Wales

PostPosted: Wed Nov 09, 2011 11:26 pm
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Peter, maybe he knows the PW icon_lol.gif

Just a case of going around and checking that there are no entries related to the catalog still exist in all of the VVDS on the system.
Usually a few laying about after a UCAT delete, and they crop up with errors from time to time too.
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Robert Sample

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Joined: 06 Jun 2008
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Location: Dubuque, Iowa, USA

PostPosted: Wed Nov 09, 2011 11:51 pm
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Quote:
Usually a few laying about after a UCAT delete, and they crop up with errors from time to time too.
Hoo-boy, do I remember that! I defined a TSO HLQ one time and forgot to put in the REL(usercat). They didn't have write access to the master catalog, so there wasn't much they could do on the system! It took a couple of looks to figure out what I'd done wrong.
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expat

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PostPosted: Thu Nov 10, 2011 1:06 am
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I recall biffing a UCAT and for some strange reason (read user error) where he'd left a STEPCAT in the job, and could I get rid of that particular dataset.

Well, Yes, of course I could, but it did take a while.

Robert, admitting to a mistake. Oh God, does this really mean that sysprogs are only human too icon_lol.gif
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Robert Sample

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PostPosted: Thu Nov 10, 2011 1:10 am
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I told an application programmer one time the main difference between their job and mine was that when they made a msitake, it would be known by the on-call person and themselves whereas when I made a mistake, EVERYBODY knew about it!
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India

PostPosted: Thu Nov 10, 2011 8:23 pm
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Robert Sample wrote:
I told an application programmer one time the main difference between their job and mine was that when they made a msitake, it would be known by the on-call person and themselves whereas when I made a mistake, EVERYBODY knew about it!
I was listening it, when you said it to me.
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Pete Wilson

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Joined: 31 Dec 2009
Posts: 541
Location: London

PostPosted: Thu Nov 24, 2011 10:44 pm
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Don't forget to EXPORT DISCONNECT the Usercatalog from any other alternate Mastercatalogs

ps: Be VERY afraid of using the FORCE parameter when deleting a Usercatalog! Had a weekend competely ruined by that about 20 years ago.
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