On Mon, 25 Apr 2016 11:26:37 -0500, John Dawes wrote:

>Is it safe to say that once a tape goes scratch all the data is deleted?
>
>Also, is the same volume serial number - in this case A15886 - is kept and 
>reused?
>
>Please bear with me because I am not very familiar with virtual tape 
>processing.
> 
My custom is to use such as:
    DISP=(,CATLG),RETPD=5

o To the extent that I can control DSN (JCL tailoring helps), DSLIST helps me
  find the volume.  I needn't code VOL=; I can use referback.

o GDG might be useful here.  But GDG isn't in my skill set.

-- gil

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