On Sun, 16 Mar 2014 02:16:34 +1100, Greg Price wrote:
>On 15/03/2014 4:49 AM, John McKown wrote:
>> 2) Has any commercial shop ever used non-numeric tape volume serials for
>> normal in-house tapes? If so, why? I ask because, at least historically,
>>
One plausible reason is a library containing over a million volumes. Is this
realistic? Perhaps virtually? Perhaps a large name space, but sparsely
populated?
>> CA-1's support of non-number tape serials was "difficult" (needed some sort
>> of mapping exit as I recall).
>
>Yes, because management got thousands of tape labels printed for the new
>MVS system before the sysprogs heard about it.
>
Details? Does the exit merely map non-number tape serials to numeric?
But see:
http://en.wikipedia.org/wiki/Pigeonhole_principle
>Delusions above their station in life, if you ask me...
>
Or, perhaps, unforgivable design shortcuts on the part of CA. They
should have read and honored the specification of volume serial in
the JCL Ref. (In areas such as this, I have mixed feelings about the
relevance of Postel's Robustness Principle.)
>And yes, we had to maintain that irritating exit...
-- gil
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN
