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How to delete data from Tapes ?

 
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leo_sangha

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Joined: 11 Aug 2005
Posts: 85
Location: England

PostPosted: Thu May 07, 2009 2:52 pm    Post subject: How to delete data from Tapes ?
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Hi All,

I want to delete data from TAPES. Is it possible ?

Can you share a sample JCL or the process to delete the data from the TAPES.

Thanks
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10274
Location: italy

PostPosted: Thu May 07, 2009 2:57 pm    Post subject: Reply to: How to delete data from Tapes ?
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no

if on the other side You want to delete some records from any sequential file/dataset
You must copy skipping the unwanted/keeping the wanted records

dataset deletion on tape(s) is an improper term,
datasets on tape(s) get deleted when the tape(s) is/are reused/scratched

( rough approach on)
the datasets are sometimes made unavailable by uncataloging them

for the standards and practices in Your organization ask Your support
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leo_sangha

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Joined: 11 Aug 2005
Posts: 85
Location: England

PostPosted: Thu May 07, 2009 3:08 pm    Post subject: Reply to: How to delete data from Tapes ?
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Thanks Enrico for your reply,

I'm assigned a task to delete datasets which are on TAPES.

There are approximately 50 datasets spread over 100 tapes. These datasets are costing a lot/week. And i want to know can i delete these 50 datasets and possible some cost savings.
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8117
Location: East Dubuque, Illinois, USA

PostPosted: Thu May 07, 2009 5:23 pm    Post subject:
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This is something more you need to discuss with your site support group as there may be standards and procedures already in place. Data sets on tape can be deleted just like any disk data set, but there are some additional things to be aware of. For example, if the tape data set was created with an expiration date, simply uncataloging the tape data set won't delete it. Your tape management system will usually maintain the tape until it is either explicitly deleted or the expiration date is reached. If the tape has multiple data sets, all of them have to reach expiration before the tape can be returned to the scratch pool.
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