The Extend VTOC is nice, but has one problem ... you could end up with your
VTOC in multiple extents.

I would back it up, empty the volume, and reinit.

Joe

On Mon, Aug 1, 2022 at 10:01 AM Jack Zukt <jzuk...@gmail.com> wrote:

> Thank you all for your input.
> I am going to try it like that
> Regards,
> Jack
>
> On Mon, 1 Aug 2022 at 11:58, Immo <i...@mikno.de> wrote:
>
> > P.S.
> > EXTVTOC(n) is a parameter of the ICKDSF command REFORMAT.
> > Michael
> >
> > -----Ursprüngliche Nachricht-----
> > Von: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> Im Auftrag
> > von Jack Zukt
> > Gesendet: Montag, 1. August 2022 12:15
> > An: IBM-MAIN@LISTSERV.UA.EDU
> > Betreff: Extending a VTOC
> >
> > Hi all,
> > It has been way too many years since the last time I dabbled with ICKDSF
> > and VTOC definitions (probably over twenty, but I would rather not do the
> > math).
> > Back on those days, if memory serves me right, the only way to extend a
> > VTOC was to clean the DASD of all its contents, put it offline, and
> > recreate the VTOC with the new size. As a few years have passed, I have
> > been going through the ICKDSF manual trying to find out if a VTOC can be
> > extended without having to clear the volume first. I can not say that I
> > have became enlightened. It seems to be possible but I am not quite sure
> > about it. And this being a production volume I really would hate if
> things
> > do not work as expected.
> > So, in a nut shell, can I extend a VTOC from 90 to 900 tracks without
> > having first to clean the DASD of all its files?
> > Thank you in advance for any help,
> > Best regards
> > Jack
> >
> > ----------------------------------------------------------------------
> > For IBM-MAIN subscribe / signoff / archive access instructions, send
> email
> > to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
> >
> > ----------------------------------------------------------------------
> > For IBM-MAIN subscribe / signoff / archive access instructions,
> > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
> >
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to