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Alter the Max Num of GDG generations

 
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tattva
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Joined: 02 Feb 2005
Posts: 97
Topics: 36
PostPosted: Wed Dec 14, 2005 3:28 pm    Post subject: Alter the Max Num of GDG generations Reply with quote
Hi all,

I have a GDGBASE tattva.d.gdgbase. The MAX num of version that it can have is 3. Now i would like to change the num from 3 to 255. I need to do this in batch mode. Can any one help me in this please?

Thanks,
Tattva
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kolusu
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PostPosted: Wed Dec 14, 2005 8:21 pm    Post subject: Reply with quote
tattva,

Try this

Code:

//STEP010  EXEC PGM=IDCAMS                     
//SYSPRINT DD  SYSOUT=*                       
//SYSIN    DD  *                               
  ALTER 'your gdg base' LIMIT(n)             
/*                                             

n = no: of generations you want to keep and n must be <= 255


Hope this helps...

Cheers

Kolusu
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Phantom
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PostPosted: Wed Dec 14, 2005 11:38 pm    Post subject: Reply with quote
Tattva,

Check the GDG - FAQ page for more queries on GDGs!
http://www.mvsforums.com/helpboards/viewtopic.php?t=5333

I just included your query to the FAQ list. Let us know if you have any other questions on GDG, we will see if we can add them to our FAQs.

Thanks,
Phantom
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ajimachan
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Joined: 25 Jan 2005
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PostPosted: Fri Sep 01, 2006 10:04 am    Post subject: Reply with quote
Could you pls let me know, How to find the number of versions that were mentioned while creating the GDG originally.
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coolman
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PostPosted: Fri Sep 01, 2006 10:09 am    Post subject: Reply with quote
If you have Fileaid, it's pretty simple, go to option 3.2 and enter your dataset as shown below, the next screen would display the properties.

Code:

F090 AID --------------------  Dataset Utility  -------------------------------
OPTION ===>                                                                   
                                                                               
  A - Allocate SEQ/PDS dataset           D - Delete dataset or HFS file       
  B - Allocate BDAM dataset              R - Rename dataset or HFS file       
  C - Catalog dataset                    U - Uncatalog dataset                 
  S - Dataset information (short)        F - Free unused space                 
  BLANK - Display dataset information    G - Define generation data group     
                                                                               
Specify Dataset or HFS Path Information:                                       
  Dataset or path    ===> 'XXXXXXX.XXX.XXXXX.XXXXX.DATA'                       
  Volume serial      ===>          (If not cataloged)                         
                                                                               
Specify Model Dataset Information:                                             
  Dataset name       ===>                                                     
                                                                               
Specify Catalog to use if other than Default System Catalog:                   
  Catalog name       ===>                                                     
  Catalog password   ===>          (If catalog is password protected)         
----------------------------------------------------------------------------- 
     For dataset allocations only, the optional model dataset is used to       
     prefill the allocation information on the allocation panel.  This         
     dataset is not mandatory for dataset allocations.                         
.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .



Code:

 F090 AID -----------  Display Generation Data Group Information  --------------
 COMMAND ===>                                                                   
                                                                               
 GDG base dataset name: XXXX.XXXXX.XXXXX.DATA                                                                               
 GDG dataset limit:     15        (Maximum number of generations, 1-255)       
                                                                               
 Active generations:    15        (Generations that are currently allocated)   
                                                                               
 Owner:                 K0495TK                                                 
                                                                               
 Expiration date:                                                               
                                                                               
 Uncatalog options:     NOEMPTY   (EMPTY     = All generations are uncataloged 
                                   NOEMPTY   = Oldest generation is uncataloged)
 Scratch  options:      SCRATCH   (SCRATCH   = Scratch when uncataloged         
                                   NOSCRATCH = Uncatalog only)                 
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .


________
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Last edited by coolman on Sat Feb 05, 2011 1:52 am; edited 2 times in total
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kolusu
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Joined: 26 Nov 2002
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PostPosted: Fri Sep 01, 2006 10:09 am    Post subject: Reply with quote
ajimachan,

LISTCAT command gives you the limit of the gdg. try this job

Code:

//STEP0100 EXEC PGM=IDCAMS                   
//SYSPRINT DD SYSOUT=*                       
//SYSIN    DD *                             
   LISTCAT ENT('your gdg base') ALL       
/*                           


Hope this helps...

Cheers

Kolusu
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DFSORT is on the Web at:
www.ibm.com/storage/dfsort

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