Chris Yup, I guess there is some merit - gosh, I've done it again! - in looking through all the previous posts.
>...> Kees Vernooij wrote all of 7 hours before >...> Yes there is, check the ABSTR parameter on the DD statement. Chris Mason On Thu, 27 May 2010 08:28:51 -0600, Blaicher, Chris <chris_blaic...@bmc.com> wrote: >To answer the question, rather than ask why --- Use ABSTR function of the SPACE parameter as in > >//DUMMY DD DSN=SOMETHING,SPACE=(ABSTR, (150,15)),UNIT=SYSDA,VOL=SER=XXXXXX > >That allocates 10 cylinders starting at cylinder 1, assuming 3390 devices. If you wanted a PDS with 15 directory blocks, >SPACE=(ABSTR,(150,15,15)) > >Chris Blaicher >Phone: 512-340-6154 >Mobile: 512-627-3803 >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Hal Merritt >Sent: Thursday, May 27, 2010 9:01 AM >To: IBM-MAIN@bama.ua.edu >Subject: Re: Allocate a dataset in an specific track into the DASD (z/OS) > >Not with modern DASD, AFAIK. Tracks, cylinders, etc are just logical constructs. The 'front' of a volume could appear just about anywhere on the physical disk. > >Except for some potential logical fragmentation issues, why do you care? > > >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of MONTERO ROMERO, ENRIQUE ELOI >Sent: Thursday, May 27, 2010 2:37 AM >To: IBM-MAIN@bama.ua.edu >Subject: Allocate a dataset in an specific track into the DASD (z/OS) > >Hi team, > >Is there some way to allocate a dataset specifying the exact position into the Disk? > >I know that in VSE using the // DLBL and // EXTENT can be used to allocate a dataset in an specific track into the DASD. > >But what about z/OS? >Is it possible? >How to do it? > >Thanks a bunch, > >Enrique Montero ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
