My variant is faster to write! ;) (BTW, with my idea only needed space is allocated, there is no unused preallocated space.)
Regards, Thomas Berg _________________________________________ Thomas Berg Specialist A M SWEDBANK > -----Ursprungligt meddelande----- > Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] För > McKown, John > Skickat: den 13 februari 2012 14:21 > Till: IBM-MAIN@bama.ua.edu > Ämne: Re: Archaic allocation in JCL (Was: Physical record size query) > > Or, as the programmers at our shop would do: > > SPACE=EAT-EVERYTHING-IN-SIGHT-AND-CAUSE-OTHER-JOBS-TO-ABEND-BECAUSE-MY- > STUFF-IS-IMPORTANT-AND-YOUR-STUFF-ISNT. > > Or > > SPACE=WHAT,ME_WORRY? > > Or > > SPACE=I-CANT-BE-BOTHERED-TO-SIZE-THIS-PROPERLY-AND-MY-PROGRAMS-NEVER-LOOP- > EXCESSIVELY > > In many other systems, such as Winblows, everybody gets their own personal > "space". And if it is "used up", it doesn't impact others. z/OS shares > DASD space. So one bad apple can cause a major problem. Hopefully not in > production. But what about for "temp" space? I've had production jobs go > down due to no space on the work packs due to a nitwit coding up a job > with 30 SORTWKnn DD statements, with SPACE=(CYL,(2000,100)). Because they > kept getting "SORT CAPACITY EXCEEDED" and just wanted the <elided> job to > run. This was in internal COBOL sort, so dynamic SORTWORK was not > possible. IIRC, the problem was their program outputting about 30 million > records (a bug). > > -- > John McKown > Systems Engineer IV > IT > > Administrative Services Group > > HealthMarkets® > > 9151 Boulevard 26 . N. Richland Hills . TX 76010 > (817) 255-3225 phone . > john.mck...@healthmarkets.com . www.HealthMarkets.com > > Confidentiality Notice: This e-mail message may contain confidential or > proprietary information. If you are not the intended recipient, please > contact the sender by reply e-mail and destroy all copies of the original > message. HealthMarkets® is the brand name for products underwritten and > issued by the insurance subsidiaries of HealthMarkets, Inc. -The > Chesapeake Life Insurance Company®, Mid-West National Life Insurance > Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List > > [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Thomas Berg > > Sent: Monday, February 13, 2012 5:28 AM > > To: IBM-MAIN@bama.ua.edu > > Subject: 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" ? > > > > > > > > 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 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN
