Dave Gibney Information Technology Services Washington State University
> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On > Behalf Of Thomas Berg > Sent: Monday, February 13, 2012 5:11 AM > To: IBM-MAIN@bama.ua.edu > Subject: SV: Archaic allocation in JCL (Was: Physical record size query) > > > -----Ursprungligt meddelande----- > > Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] För > > Lizette Koehler > > Skickat: den 13 februari 2012 12:43 > > Till: IBM-MAIN@bama.ua.edu > > Ämne: Re: Archaic allocation in JCL (Was: Physical record size query) > > > > > > > > I can't understand why we STILL need to specify SPACE= (etc) for an > > allocation of a > > > dataset. > > > You normally don't do that in other OS (platforms), You always (both > > principally and in > > > practice) want to allocate as much as is needed during execution > > > > > > If for backward compatibility it can't be done automatically, why not > > introduce a new > > > keyword like e g "SPACE=ANY" ? > > > > > > > > > > Thomas, > > > > IIRC - if you force a DATACLAS on a dataset in SMS, you can specify the > > Space requirements there. Then the JCL does not require Space. Have you > > looked at that? However, then that makes your storage admin responsible > > for > > ensuring the space is enough. And if needed alter the dataclass if there > > are space issues. And it would require all such datasets be SMS managed. > > > > > > Lizette > > Hi Lizette, > > In practice it's not a viable alternative. Besides the need (if doing it that > way) > to communicate frequently with the "space gang", it's to many variants of > datasetnames and to many different needs for space depending on time, > date and subgrouping within applications. > But, this is precisely what SMS and DATACLAS are for. It does accomplish, for the most part, SPACE=ANY. Not fully using SMS is so 80s' Dave Gibney Information Technology Services Washington State University > > > Regards, > Thomas Berg > _________________________________________ > Thomas Berg Specialist A M SWEDBANK > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN