In <5478aec8.8020...@cbttape.org>, on 11/28/2014
   at 12:20 PM, Sam Golob <sbgo...@cbttape.org> said:

>uses BSAM with double buffers

I would expect QSAM with lots of buffers to outperform that, but it's
not that hard to do BSAM with lots of buffers.

>To avoid such problems,

You might also want to add code to avoid clobbering the directory if
the output DD specifies a PDS without a member name. See METZCOPY[1]
for an example of how to do that.

[1] Written in a fit of pique due to IEBGENER misbehaving.

-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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