> -----Ursprungligt meddelande----- > Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] För R.S. > Skickat: den 26 oktober 2011 12:29 > Till: IBM-MAIN@bama.ua.edu > Ämne: Re: SV: GDG > > W dniu 2011-10-26 12:09, Thomas Berg pisze: > >> -----Ursprungligt meddelande----- > >> Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] För > >> Robert A. Rosenberg > >> Skickat: den 26 oktober 2011 07:27 > >> Till: IBM-MAIN@bama.ua.edu > >> Ämne: Re: GDG > >> > >> At 14:52 -0700 on 10/25/2011, Steve Thompson wrote about Re: GDG: > >> > >>> Do you actually mean version or generation? I ask this because now > >>> and then someone actually means version (rarely). And what you asked > >>> could be either. > >>> > >>> Version will be A.B.C.G0001V00 then A.B.C.G0001V01. > >>> > >>> Generation will be A.B.C.G0001V00 then A.B.C.G0002V00 > >>> > >>> This makes a big difference in what you will have to do!! > >> > >> Note that when you create and catalog A.B.C.G0001V01 it will replace > >> A.B.C.G0001V00 as A.B.C(n) - IOW: If after A.B.C.G0002V00 was created > >> A.B.C.G0001V00 would be A.B.C(-1). Creating A.B.C.G0001V01 at this > >> point would make IT A.B.C(-1) and A.B.C.G0001V00 would no longer be > >> cataloged (it would be handled just like a generation that rolled off > >> the GDG base. > >> > >> The purpose of creating a GxxxxVyy (where yy is NOT 00) is to replace > >> the V00 (or current) version. This might occur if you want move the > >> file from one media to another while leaving it in the GDG chain. > >> > > > > By curiosity, how do You specify version in the JCL ? > > I mean in the same way we specify latest generation by aaa(0) > > and a new by aaa(+1) etc. > > You specify DSN=HLQ.GDGBASE.G0008V01,DISP=(,CATLG) > It will REPLACE HLQ.GDGBASE.G0008V00 - the older version will be deleted. > Actually you can specify V07 jsut after V00, or even V03 after V07. In > any case the newest version will be kpet, despite of the version number. > > > BTW: IMHO moving from one media to another is bad example. It can be > done by using DSS COPY with TGTGDS option. > Versions are for unsuccesful job runs. You can rerun the job and create > another version. >
Ok, so there are no symbolic syntax for it. I'm not surprised as I have never seen such, but logically I would have expected something like aaa(0(+1)) etc. 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: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
