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meetrb
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Joined: 24 Nov 2003
Posts: 40
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 Posted: Sat Sep 24, 2005 6:20 am Post subject: Extended VSAM + Shrink Table |
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Hi,
While going through an IDCAMS control card for an extended VSAM, I came across a comment "Add 8 bytes for Shrink". The physical record length of this file is greater than the logical length by 8 bytes.
Is there any requirement that the physical record length of an extended VSAM has to be greater than the logical length by 8 bytes?
Regards,
Meetrb |
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12376
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Location: San Jose
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| Posted: Sat Sep 24, 2005 7:30 am Post subject: |
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Meetrb,
The additional 8 bytes you see might belong to the Compression software( SHRINK/MVS) and has got nothing to do with the EXTENDED feature. CA bought Shrink/MVS, Shrink/IMS, and Shrink/DB2 from Sterling software and renamed to CA-Compress for MVS, IMS, and DB2 respectively.
Hope this helps...
Cheers
Kolusu
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Kolusu
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meetrb
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Posts: 40
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| Posted: Mon Sep 26, 2005 1:11 am Post subject: |
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Thanks Kolusu.
Is there any user interface to this CA-Compress tool that we can use in order identify the files which have been defined with this shrink option?
Regards,
Meetrb |
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kolusu
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Location: San Jose
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| Posted: Mon Sep 26, 2005 4:36 am Post subject: |
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meetrb,
I have never worked on CA-COMPRESS and I don't even have access to the manuals , so sorry.
Kolusu
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meetrb
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| Posted: Mon Sep 26, 2005 6:31 am Post subject: |
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| Thanks for the information Kolusu |
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