The problem is the conversion costs are so terribly high that many companies reject doing that outright. I've worked on Z/Linux and it's not so great. It is only good for applications that use little a CPU and lots of I/O. I am now on my third "proof of Concept" with Z/VM And Linux after the first 2 bombed, not on functionality, but on cost. Intel CPU Cycles are still way cheaper than Z cycles no matter how you hack it.
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The problem is the conversion costs are so terribly high that many companies reject doing that outright. I've worked on Z/Linux and it's not so great. It is only good for applications that use little a CPU and lots of I/O. I am now on my third "proof of Concept" with Z/VM And Linux after the first 2 bombed, not on functionality, but on cost. Intel CPU Cycles are still way cheaper than Z cycles no matter how you hack it.