Adam Thornton wrote:
On Jul 7, 2006, at 10:10 AM, Post, Mark K wrote:
More than "a little strange." It simply won't work at all.
That is, the machine language intructions are differet. Technically, it
_might_ be possible using an emulator such a Hercules, but performance
wull suck elephants through your garden hose....
Well, it depends on what they mean by "recovering."
If you already have the x86 equivalent of the app environment set up,
and all you're recovering is your data (or, possibly, some byte-
compiled applications--I mean, isn't that the promise of Java?
"Write once, crash anywhere") then, yeah, it could work.
Assuming you have a fully-compatible DBMA, and that you don't store any
binary data in native zSeries formats....
Or, if you were really studly and had some way to recover your DASD
into Herc-compatible CKD files, then you could run your Linux guest
under Hercules (not likely, though, since you most likely have QDIO
devices coupled to a guest LAN or a Vswitch and Herc doesn't do QDIO
natively yet) on an x86 box. Or Flex/ES plus a FlexCub would let you
do this directly, although in that case I'd argue that you aren't
*really* recovering to x86, you're recovering to s390/zSeries in a
funny-looking box.
Hercules does a fine job of running MVS 3.8, and at one time I was
running a Linux distro (I think 32-bit Debian) under it, but if you can
find an emulated Zed that is fast enough to do your work, you really
should be running that workload on the emulator's host and ditch the
Zed. The umulated environment will give you the worst of both, weak CPU
performance and truly rotten I/O.
--
Cheers
John
-- spambait
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