John,

I think you have an interesting idea, but also seem like a lot of work
to implement for unknown demand.

What about another approach: why couldn't hypervisor support (ala
z/VM) be built into z/OS?  Then you might be able to
run z/Linux virtual machines under a z/OS blanket with perhaps more
integration than is currently achievable.  For one thing,
you might be able to have a good z/OS posix filesystem and have the
z/Linux guests use it through a host device interface, rather than
screwy NFS and share DASD, which is kind of crappy.   Of course, if
pipes were part of this filesystem, then you would have one form of
IPC between guests and the z/OS host.   This would be, in a sense,
what Co:Z does, but without the SSH and socket connections that Co:Z
uses.

Kirk Wolf
Dovetailed Technologies

P.S.  With obvious bias I would have to disagree that co-processing
between z/OS and z/Linux is difficult.
  How hard is this? -  http://dovetail.com/docs/coz/cookbook.html


On Tue, Nov 11, 2008 at 3:22 PM, John McKown <[EMAIL PROTECTED]> wrote:
> On Tue, 11 Nov 2008 14:47:00 -0600, Rich Smrcina <[EMAIL PROTECTED]> wrote:
>
> <snip>
>>What tools are you looking for?
>
> What ones do you have? <grin>. I like GNU's versions of almost all the
> "standard" stuff: bash, gawk, grep, make. ... Where such exist, they are
> never up to date.
>
>>
>>Why re-invent the wheel on z/OS?  It's already available.  It's called
> Linux.  It
>>already runs on System z.
>
> But I can't run it. Why? We won't get an IFL. It costs too much. We can't
> run it on a CP because we don't have the excess power. And, in any case, it
> increases our z/OS MSUs and thus our z/OS software bill. It is cheaper to
> run Linux on Intel. And so on. Oh, and despite the really neat Co:Z,
> integrating z/OS UNIX with z/Linux "coprocessing" is "difficult".
>
> In any case, it was just the manic ravings of a lunatic, or maybe the
> lunatic ravings of a maniac.
>
>>
>>--
>>Rich Smrcina
>>VM Assist, Inc.
>>Phone: 414-491-6001
>>Ans Service:  360-715-2467
>>http://www.linkedin.com/in/richsmrcina
>>
>>Catch the WAVV!  http://www.wavv.org
>>WAVV 2009 - Orlando, FL - May 15-19, 2009
>>
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