Dave McGuire mcguire at neurotica.com
Wed Sep 5 16:10:26 CDT 2007

On Sep 5, 2007, at 3:16 PM, Sridhar Ayengar wrote:
>>> I'm not aware of much that modern PPC processers can't do that POWER
>>> can, other than things intended for the support of legacy IBM OSs  
>>> such
>>> as OS/400 or zOS.
>>   z/OS is a "legacy" OS?  Sure doesn't look that way to me.
>>   Am I just blind today or something?
> I was going to say something to that effect.  *sigh*
> I believe MVS is selling/running on a greater number of copies now  
> than it ever has in the past.

   Indeed, I've read that as well.

> Also, in other messages in this thread, people have been saying  
> stuff to the effect that pSeries and zSeries aren't architecturally  
> all that different anymore.  Anyone who says that hasn't used  
> zSeries hardware. That would be like saying that the Tandem NonStop  
> S is similar to the SGI Indigo^2 because they're both based on MIPS  
> R4400.  Or that the Cray T3E is similar to the Compaq Alphastation  
> 1200 because they're both based on Alpha EV56.  Hogwash.

   "Hogwash" is definitely a good way to put it. :-)


Dave McGuire
Port Charlotte, FL
Farewell Ophelia, 9/22/1991 - 7/25/2007

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