On 05/13/12 14:27, Shmuel Metz (Seymour J.) wrote:
In<1336770284.12924.20.camel@localhost>, on 05/11/2012
    at 05:04 PM, David Andrews<[email protected]>  said:

So expanding the max number of generations much past 255 is
problematic with the current key design.  I guess IBM could walk
in a new catalog format (by e.g. allowing more than one GDS per
extension record), but I wouldn't look forward to all the
coexistence woe that might provoke.
Hence my "wouldn't be trivial." But it would certainly be easier than,
e.g., the migration from VSAM catalog to ICF catalog. Anybody here
remember how smoothly DF/EF came out.


Yea. We converted our main production catalog a couple of weeks before IBM stopped shipment of the product and warned people not to do so. Fortunately we didn't self-destruct.

--
Mark Jacobs
Time Customer Service
Tampa, FL
----

Learn from yesterday, live for today, hope for tomorrow.
The important thing is to not stop questioning.

- Albert Einstein

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