Cobol - Need to know how large a data set will be was Re: CICS and COBOL reentrancy was Re: F

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Need to know how large a data set will be was Re: CICS and COBOL reentrancy was Re: F

Clark F Morris

2006-12-13, 4:05 pm

On Thu, 16 Nov 2006 10:14:55 +0000 (UTC), docdwarf@panix.com () wrote:

>In article <FUT6h.281639$QZ1.108530@bgtnsc04-news.ops.worldnet.att.net>,
>Arnold Trembley <arnold.trembley@worldnet.att.net> wrote:
>
>[snip]
>
>
>Unless, I believe, one is going to tape/cart, in which case space
>allocation is unnecessary. Having to know how many units to allocate for
>the output run of a new program has, at times, been a... challenge; it is
>at the core of the Zen of Programming question of 'How large is an output
>dataset?'

Even going to tape or cartridge, you will need to know whether your
data set will exceed the default maximum of 5 volumes and if so you
will need to code a maximum number of volumes (255 I think is the
limit). This is on z/OS for IBM, other environments may not have this
quirk / feature / aggravation.
>
>DD

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