John R. Grout wrote:
If IBM de-emphasizes z/Linux, it would almost certainly
be in favor of p/Architecture (and p/Linux) rather than
in favor of z/OS (or z/VM).
As pure speculation... I would not be surprised to
see mixed p/Arch-z/Arch sysplexes sharing high-powered
hierarchal file systems (or raw files) using the coupling
facility (NB... a raw file is a physical or logical file
system partition with low-level access... somewhere
between Media Manager and I/O driver level).
IMHO if IBM de-emphasizes z/Linux they will be pushing Linux on blades.
Infact I think they will be pushing either VMWare and/or Zen on Linux
and create many virtual Linux images on each blade.
If you look at the BladeCenter archictecture it is simular to what they
have in the mainframes to day, at a highlevel that is.
I can see IBM developing microcode to allow the blades (think books in
the z990 and z9) to appear to be one box and to logical partition. You
could have 14 2-way blades with 8 GB RAM each or a total of 28 CPU's and
112 GB of RAM. They all share the same FiberChannel, Ethernet, and/or
Infiband connections. Could be the next "mini-mainframe."
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