On Tue, 2011-01-25 at 08:09 -0500, Bob Shannon wrote:
> I believe that concurrent updates to a PDS result in an S213-30 abend.

A very long time ago this was because OPEN unconditionally enqueued
against SYSZDSCB (RNAME=volser||"A"||dsn).  The operating system has
been renamed three times since then.

-- 
David Andrews
A. Duda & Sons, Inc.
david.andr...@duda.com

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