I did exactly this shop wide for VSAM KSDS in 1997. It was a seamless change.
> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of John McKown > Sent: Wednesday, April 16, 2014 10:54 AM > To: [email protected] > Subject: Re: [IBM-MAIN] Extended Addressibility (was: ZFS - Allocation > Failure) > > I double checked. There are _some_ DATACLAS constructs which do NOT > have Extended Addressing. Basically, these are for tapes, PDS data sets, and > PDSE libraries. It is all the _VSAM_ related DATACLAS constructs which have > Extended Adressing on. Except for one, which is not generally used but can > be selected by the user if needed. > > > On Wed, Apr 16, 2014 at 8:37 AM, Nathan J Pfister > <[email protected]>wrote: > > > John et al; > > > > You say that EVERY DATACLAS you have is set to Extended Addressing? > > Man, we must have screwed something up when we tried that. On our > > sandbox, we created all of our DATACLAS to have Extended Addressing, > > and quite a few different things broke. Temporary datasets, Recovery > > datasets, certain software datasets...Did none of that break for you? > > Does any one else have experience changing over to Extended > > Addressing? Are there other things that definitely will NOT work with > Extended Addressing? > > > > Thanks; > > > > Nathan Pfister > > zOS Systems Programmer > > AES\PHEAA - Tech Services > > [email protected] > > (717) 720-2663 > > > > > > > > From: "John McKown" <[email protected]> > > To: [email protected] > > Date: 04/16/2014 09:00 AM > > Subject: Re: ZFS - Allocation Failure > > Sent by: "IBM Mainframe Discussion List" <IBM- > [email protected]> > > > > > > > > Yes, you can alter an existing DATACLAS to have the Extended > > Addressing attribute. HOWEVER! This does not affect _any_ existing > > data sets. It only affect _NEW_ allocations. Every DATACLAS we have in > > our house has Extended Addressing set. We have not noticed any impact > > from doing this. We did this because we had programmers use the > > non-Extended DATACLAS for VSAM data sets, then get upset 8 months > > later when their "small" data set had to exceed 4Gig. When told to > > unload/delete/define/reload, they got quite incensed > > > > > > On Wed, Apr 16, 2014 at 7:53 AM, Christian D > > <[email protected]>wrote: > > > > > Thank you sir. Is it possible to alter the existing Data clas to > > > address the extended format ? Will there be any impact to the > > > existing Datasets > > ? > > > > > > > > > On Wed, Apr 16, 2014 at 6:14 PM, Staller, Allan > > > <[email protected] > > > >wrote: > > > > > > > *NO* > > > > > > > > > > > > <snip> > > > > I was getting the below error while allocating ZFS, I understand > > > > that > > > VSAM > > > > has a limit of 4GB and the below allocation is more than 4GB. We > > > > have > > not > > > > defined a DATACLAS to honour allocation more than 4GB. Is there a > > other > > > way > > > > to allocate >4G of VSAM without having a dataclas ? > > > > > > > > IDCAMS SYSTEM SERVICES TIME: > > > > 3 04/16/14 PAGE > > > > 1 > > > > > > > > > > > > DEFINE CL > > > > - > > > > (NAME(CHRIS.DB2.LOG) LIN SHR(3,3) - > > > > CYL(8000 1000) > > > > - > > > > STORCLAS(SCSTOR) > > > > - > > > > ) > > > > > > > > IGD01010I ALLOCATION SET TO SGSTOR STORAGE GROUP IGD17103I > CATALOG > > ERROR > > > > WHILE DEFINING VSAM DATA SET CHRIS.DB2.LOG RETURN CODE IS 140 > > > > REASON > > CODE > > > > IS 110 IGG0CLEV IGD306I UNEXPECTED ERROR DURING IGG0CLEV > > > > PROCESSING > > > RETURN > > > > CODE 140 REASON CODE > > > > 110 > > > > THE MODULE THAT DETECTED THE ERROR IS IGDVTSCU SMS MODULE > TRACE > > > > BACK - VTSCU VTSCT VTSCH VTSCG VTSCD VTSCC VTSCR > > SSIRT > > > > SYMPTOM RECORD CREATED, PROBLEM ID IS > > > > IGD00475 > > > > IGD17219I UNABLE TO CONTINUE DEFINE OF DATA SET CHRIS.DB2.LOG > > > > IDC3014I CATALOG ERROR IDC3009I ** VSAM CATALOG RETURN CODE > IS 140 > > > > - REASON > > CODE > > > IS > > > > IDC3009I > > > > IGG0CLEV-110 > > > > IDC3003I FUNCTION TERMINATED. CONDITION CODE IS > > > > 12 > > > > > > > > > > > > IDC0002I IDCAMS PROCESSING COMPLETE. MAXIMUM CONDITION > CODE WAS > > > > 12 > > > > </snip> > > > > > > > > ------------------------------------------------------------------ > > > > ---- 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 > > > > > > > > > > > -- > > There is nothing more pleasant than traveling and meeting new people! > > Genghis Khan > > > > Maranatha! <>< > > John McKown > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > email to [email protected] with the message: INFO IBM-MAIN > > > > > > > > > > This message contains privileged and confidential information intended > > for the above addressees only. If you receive this message in error > > please delete or destroy this message and/or attachments. > > > > The sender of this message will fully cooperate in the civil and > > criminal prosecution of any individual engaging in the unauthorized > > use of this message. > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > email to [email protected] with the message: INFO IBM-MAIN > > > > > > -- > There is nothing more pleasant than traveling and meeting new people! > Genghis Khan > > Maranatha! <>< > John McKown > > ---------------------------------------------------------------------- > 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
