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How to find Table-space and Index-space files for a table?


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venksiv

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Joined: 20 Jun 2015
Posts: 26
Location: INDIA

PostPosted: Wed Feb 03, 2016 6:16 pm
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Hi all,

I have a huge list of tables for which I am required to find the table-space and index-space files. Currently I am using BMC tool to find this information.

There are SYSIBM.SYSTABLESPACE and SYSIBM.SYSINDEXES tables. I believe there is a pattern for the names of relevant VSAM files. If there is a method I can use these details from these tables and form the file names, it will be great. I wouldn't argue to stick to my assumption if you advise me another efficient way to achieve this.

Kindly share your expertise.

Thanks,
Sivaguru
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Pandora-Box

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Joined: 07 Sep 2006
Posts: 1590
Location: Andromeda Galaxy

PostPosted: Thu Feb 04, 2016 9:46 am
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Talk to your DBA they should know the HLQ of those datasets.
Also, There should be an option within BMC to find those filenames. I am not sure though.

But, having said that just curious what are going to do knowing the file names.
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venksiv

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Joined: 20 Jun 2015
Posts: 26
Location: INDIA

PostPosted: Thu Feb 04, 2016 6:55 pm
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Thanks for your suggestion, Pandora-Box.

I am going to calculate the space occupied by these particular tables for another analysis.
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Pandora-Box

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PostPosted: Thu Feb 04, 2016 8:20 pm
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I get it the EXTENTS will be needed and watched by DBAs regular intervals

As said get in touch with DBA they should be able to assist you
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GuyC

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Joined: 11 Aug 2009
Posts: 1281
Location: Belgium

PostPosted: Fri Feb 12, 2016 5:40 pm
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itknowledgeexchange.techtarget.com/itanswers/tables-in-db2-z-os/

Quote:
high level qualifier . DSNDBx . data base name . space name . I000x. A00x
where
high level qualifier depends on your installation and VCAT name, and DB2 STOGRP definitions
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venksiv

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Joined: 20 Jun 2015
Posts: 26
Location: INDIA

PostPosted: Fri Feb 12, 2016 9:08 pm
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Hi GuyC,

100% true. To find this, I took 4-5 table names, found their table space names from systables and compared to the dataset BMC tool displayed for 'ds' line command. That pattern matches to your answer.

Thank you so much for your response. This is brilliant!

I will have to do the same for index space datasets and use it for further analysis.
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