Dynamic vs Static Partitions

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Subject: Dynamic vs Static Partitions
From: Tom Duerbusch (DuerbuschT@stlouiscity.com)
Date: Fri Nov 06 2009 - 16:02:05 EST 

I have a program that seems to only run in a static partition.
For those older folks out there, it is Video/370....Yep, still in use.

I know the differences in JCL (hard assgns for UR isn't available for DYN).
I have the same number of LUBS.
I have the same partition size and default SIZE specified.
I have the save LIBDEFs.
I have the same partition JCL defined.

But it fails when running in a dynamic partition with a rather bogus error message:

I/O SECTION.                   
PERFORM (EXTRACT)              
TO (OUTFILE) DEVADDR (SYS012)  
****** CARD IN ERROR ******    
TO (OUTFILE) DEVADDR (SYS012)  

SYS012 is assigned to a tape drive.  (runs fine in BG and F9, gives error message when in dynamic).

I would assume that Video/370 was written in Assembler, in days way gone by.
So was there something, that an old program would use, that wouldn't be available in a dynamic partition?

We are just going to run it in BG, no big deal.
But I'm more interested in adding to my knowledge on something that won't run in a dynamic partition.

Thanks

Tom Duerbusch
THD Consulting

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