"R.S." <r.skoru...@bremultibank.com.pl> wrote in message
news:<4e8db89c.7010...@bremultibank.com.pl>...
> W dniu 2011-10-06 08:04, MONTERO ROMERO, ENRIQUE ELOI pisze:
> > Hi,
> >
> > Really we are near to reach the last available address, hopefully, i
am not the one who has to deal with the problem ;-).
> >
> > To move from 3390-3 to -54, several old applicactions only accept -3
model, in my concern, a bad programming.
> > I will tell to our (iocds) guy about the 5 digit device address,
maybe he will get some idea...
> 
> Tell us about the application. There are some limitations for some 
> dataset types, but some of the limitations are relieved, or can be 
> bypassed.
> Example: PS dataset is limited to 64k TRK which means a little more
than 
> 3390-3. However you can use DSNTYPE=LARGE or extended format dataset 
> instead of "regular" PS.
> 
> -- 
> Radoslaw Skorupka

Yes, interesting applications. Although they cannot be that 'old',
3390-s are around for 2 decades or so. 
Your example of the 65k PS limit is still not limiting a dataset to a
3390-3, it will fit perfectly on a 3390-54.
How can an application demand a 3390-3? I know an application that
demands its dataset to be within the first 256 cylinders of the volume,
this is ancient private excp processing from the 70's, this is 'old'.

So, where is the 3390-3 limit?

Kees.
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