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Recovering Tape datasets

 
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ravikumar15

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Joined: 27 Mar 2006
Posts: 64

PostPosted: Sun Sep 29, 2013 1:14 am    Post subject: Recovering Tape datasets
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Hi,

I have a production issue. By mistake some of the production files got deleted. We ran a job to delete some of the files, but accidentally some other files got deleted. Is it possible to recover the files. The datasets were deleted using IDCAMS with PURGE option. The files cannot be recreated as the job creating them will run very long time.

Will the MVS storage team will be able to help us.

Any advice would be greatly helpful.

Thanks,
Ravi
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8201
Location: East Dubuque, Illinois, USA

PostPosted: Sun Sep 29, 2013 2:00 am    Post subject:
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Only the people working at your site can answer your questions. They may -- or may not -- have backups of the deleted data sets; if they do not then you most likely will NOT be able to recover them without rerunning the job(s) that created them.
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Sun Sep 29, 2013 8:27 am    Post subject:
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Hello,

Make sure the physical tapes are removed from the inventory (silo or manual). If they have not been reused, your storage management people may be able to put them back into production.

As Robert mentioned, only your people can answer this.

If the data IS lost, and the data IS Needed, there Will be a rerun even if it takes a while.
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expat

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Joined: 14 Mar 2007
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Location: Back in jolly old England

PostPosted: Mon Sep 30, 2013 1:37 pm    Post subject:
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If you are using VTS, the tapes may well be non recoverable immediately that they are uncataloged if they are held under catalog control in your TMS software.

If you are using cycles or specific retention you may be OK.

You need to speak with the people responsible for tape retention in the site.
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Pete Wilson

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Joined: 31 Dec 2009
Posts: 445
Location: London

PostPosted: Tue Oct 01, 2013 4:42 pm    Post subject:
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You sometimes can recover VTS tapes, but you have to secure them before the CA1 and VTS cleanup jobs run, which usually happens daily. As you posted on the 28th and it's now the 1st, I wouldn't expect you can recover anything.
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