It remains cataloged.  It is just no longer part of the gdg.  Good
thing those thousand or two files were just a few tracks.

On Thu, Nov 19, 2015 at 9:59 AM, J O Skip Robinson
<jo.skip.robin...@sce.com> wrote:
> I haven't experimented with this, but going with NOSCRATCH is likely to cause 
> big problems with DASD GDGs. A data set residing on an SMS-managed volume 
> must be cataloged. It cannot just sit there uncataloged. Irresistible force 
> meets unmovable object.
>
> .
> .
> .
> J.O.Skip Robinson
> Southern California Edison Company
> Electric Dragon Team Paddler
> SHARE MVS Program Co-Manager
> 626-302-7535 Office
> 323-715-0595 Mobile
> jo.skip.robin...@sce.com
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On 
> Behalf Of Tom Marchant
> Sent: Thursday, November 19, 2015 4:54 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: (External):Re: Fastest way to read OLDEST GDG entry
>
> On Wed, 18 Nov 2015 23:09:44 -0500, Robert A. Rosenberg wrote:
>
>>At 08:32 -0600 on 11/18/2015, Tom Marchant wrote about Re: Fastest way
>>to read OLDEST GDG entry:
>>
>>>you might want to make sure the GDG is defined with NOSCRATCH before
>>>doing this.
>>
>>Note that NOSCRATCH will (I think) not only leave the V00 of a
>>V01->V00 replacement cataloged (as a normally named file with the V01
>>being in the GDG base) but also do the same as GDG generations roll off
>>due to the limit. Normally once it rolls you would want it deleted.
>
> Correct. And if you set the GDG to NOSRCATCH before replacing a data set, 
> then change the GDG back to SCRATCH, and if a new generation that would have 
> caused an old one to roll off is created during the interval, I suspect that 
> old generation would have to be scratched manually.
>
> --
> Tom Marchant
>
>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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