The model was required with operating systems MFT amd MVT. The model requirement went away when IDCAMS became available.
Warren Brown -------------- Original message from Rick Fochtman <[EMAIL PROTECTED]>: -------------- > For as long as I can remember, you were able to point to a common DSCB, > via DCB=dsname, and get by without a pattern DSCB. And I've been playing > with them since 1967. > > Ken Porowski wrote: > > >And didn't the need for a "pattern dscb" go away is the gdg was SMS > >managed? > > > >-----Original Message----- > >John P Kalinich > > > > > > > >>Chase, John wrote: > >> > >> > >>>Hi, All, > >>> > >>>A colleague asks, "When did the requirement to pre-allocate the > >>>first "goovoo" as a "seed" go away?" > >>> > >>>TIA, > >>> > >>> -jc- > >>> > >>> > >>I don't think this was ever a requirement. > >>You needed to allocate a "PATTERN DSCB" with the GDG base name > >>(everything but the GnnnnV00). > >>This had to be on the same volume as the catalog the GDG was in. This > >>was used to get the default DCB info. > >>It could be avoided by specifying the DSCB keyword in the DD card that > >> > >> > > > > > > > >>created the GDS. There may have been a time when you couldn't specify > >>the DSCB keyword and had to have a pattern DSCB, but I don't know. > >> > >> > >> > > > >The pattern or model DSCB could be specified via the DCB=dsname > >parameter. > >This avoided having to allocate a GDG base name for every file. > > > >Regards, > >John K > > > >---------------------------------------------------------------------- > >For IBM-MAIN subscribe / signoff / archive access instructions, > >send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO > >Search the archives at http://bama.ua.edu/archives/ibm-main.html > > > > > > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
