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I don't know if it still exists, but IBM used to sell a PCI card with a little
bitty 370 compatible chip on it for testing MVS/XA configs. It might run
it, but, it is a little on the expensive side, I am sure, since it is a whole
second machine on a card. Once again, I say: User Mode Linux.<br>
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Ed Hill wrote:<br>
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<pre wrap="">On Fri, 2002-01-25 at 12:02, Joe 'Zonker' Brockmeier wrote:<br></pre>
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<pre wrap="">On Fri, 25 Jan 2002 <a class="moz-txt-link-abbreviated" href="mailto:rknech@pcisys.net">rknech@pcisys.net</a> wrote:<br><br></pre>
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<pre wrap="">The Nice thing about IBM putting Linux on the Mainframes & AS/400's is that<br>they are able to use Logical Partitioning and run multiple Linux servers<br>simultaniously! :^) IBM is supposed to be releasing their code for this<br>functionality. This would be nice for those who want to run mulitple linux<br>serves on one machine on different hard drive partitions without the need<br>of "multi-booting" or running virtual machines. Think of the possibilities!!!<br></pre>
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<pre wrap="">Oh, I am... I am...<br><br>I have a dual Xeon that I'd love to use to run several virtual<br>instances of Linux rather than just one, and without the overhead<br>of VMWare.<br></pre>
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<pre wrap=""><!----><br><br>Unfortunately, it doesn't work that way...<br><br>Back at trilug, we hosted a talk by Boas Betzler. He was one of the<br>project leads on the original IBM-skunkworks port of Linux to the<br>z-Series. It was a great talk and he described (in some detail) what<br>they did to accomplish the port (including writing a zSeries assembly<br>code back-end for gcc). He also talked about some future directions for<br>Linux on the zSeries.<br><br>The multiple-copies-of-linux-running-simultaneously trick is very much<br>architecture specific as it relies upon certain features of the zSeries<br>machines. Do *NOT* expect to see it ported to anything other than the<br>AS/400 series, which I think also supports similar (though more limited)<br>VM capabilities. IBMs VM features will perhaps never be ported to x86<br>hardware since the architecture does not support some of the essential<br>features.<br><br>Ed<br><br><br></pre>
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