A good question. The simpliest thing was to have the INITIATOR write an EOF to the dataset and then make the access method use MOD. This should be a minimal change. IMO, the best thing to do would be to have the initiator do a catalog lookup and scratch the dataset if it exists, then do NEW processing to redrive SMS and allocation.
-- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets® 9151 Boulevard 26 . N. Richland Hills . TX 76010 (817) 255-3225 phone . [email protected] . 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:[email protected]] On Behalf Of Frank Swarbrick > Sent: Thursday, February 23, 2012 3:30 PM > To: [email protected] > Subject: Re: Thought: new DISP "status" function > > I like it. > > John: What would your expectation be if the characteristics > of the existing dataset were different than those specified > on the DD. SPACE and the like. Would this new parm alter > the characteristics as specified on the DD, or would they say > the same? > > Frank > > > > > >________________________________ > > From: Mike Schwab <[email protected]> > >To: [email protected] > >Sent: Thursday, February 23, 2012 1:39 PM > >Subject: Re: Thought: new DISP "status" function > > > >DISP=REUSE or DISP=(REUSE,CATLG) in case of additional volumes. > > > >On Thu, Feb 23, 2012 at 2:28 PM, McKown, John > ><[email protected]> wrote: > >> We all know that you can specify DISP=OLD|SHR|NEW|MOD for > a dataset. I just had another wacky thought of a new one that > I would like. I can't really think of a good, three > character, value for it. But what it would do is what UNIX > does with a PATHOPTS=(OTRUNC,OCREAT). It would, like MOD, > either reuse an existing allocation, or create a new one. > But, unlike MOD, it would not add to the end, but put an EOF > at the beginning of the dataset and start writing over the > old data. What do others think? > >> > >> John McKown > > > >-- > >Mike A Schwab, Springfield IL USA > >Where do Forest Rangers go to get away from it all? > > > >------------------------------------------------------------- > --------- > >For IBM-MAIN subscribe / signoff / archive access instructions, > >send email to [email protected] with the message: INFO IBM-MAIN > > > > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
