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An interview question - GDG on VSAm files

 
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vijikesavan

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Joined: 04 Oct 2006
Posts: 118
Location: NJ, USA

PostPosted: Thu Nov 09, 2006 1:13 am    Post subject: An interview question - GDG on VSAm files
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I was posted with a question
"Is it possible to have VSAMs as GDG files? "

I know the answer 'NO" but cannot substantiate it technically as why not possible?

Can anyone clarify me?

Thanks,
Viji
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priyesh.agrawal

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Joined: 28 Mar 2005
Posts: 1452
Location: Chicago, IL

PostPosted: Thu Nov 09, 2006 9:13 am    Post subject: Re: An interview question - GDG on VSAm files
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Quote:
I know the answer 'NO" but cannot substantiate it technically as why not possible?

Well, it is certainly NO... and I can not comment on the technical challenges to justify the answer...
but why would one need a VSAM GDG when a VSAM can be backed up on a PS too... and what else do you see significant use of a GDG but filing archives...
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vijikesavan

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Joined: 04 Oct 2006
Posts: 118
Location: NJ, USA

PostPosted: Thu Nov 09, 2006 7:50 pm    Post subject: Re: An interview question - GDG on VSAm files
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I agree 100% with you. But the interviewer asked this question..mebbe just to chk or bit curious!...
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