W dniu 2011-04-13 08:26, Marian Gasparovic pisze:
[...]
It is the controlling logic
that makes it integrated, in this case zManager.
It's still "managemnet for management". While centralized management is
fine, it's still not crucial for the applications to run. (see also end
of my post)
Power blades in zBX - I don't think there are other than IBM Power
blades, IBM decided to support one kind of blade in three (IIRC)
possible configurations. And if you use a supported blade, it will
work because it was tested.
It is not my intention to look for competitor vendors or manufacturers.
In this case single provider means single and consistent responsibility
for the solution it is important, but still not crucial for the
application.
[...]
I don't know if you can mix IBM/HP/Dell/etc blades in one
bladecenter anywhere (please correct me if I am wrong).
Marian, you should know it! ;-)
Obviously it is alway proprietary solution! HP blade does not fit the
Dell cabinet. Blades are incompatible in hardware meaning. (Of course
every Intel/AMD based blade is regular PC from OS point of view.)
All hw (z196, blades, switches, bladecenters) firmware is updated from
one place, so when there are new MCLs you get them from IBM, from one
place. How many times you had problems that some
servers/switches/whatever were on old firmware and it was recognized
only when problem occurred ? Many distributed people ignore firmware
updates.
And again: management. BTW: you mentioned switches. I think you mean
Ethernet switches, however that remains me another kind of switches used
in mainframe environment: FICON switches. IBM sells (but not produce)
such switches, they are supported for mainframe FICON applications.
Obviously such switches are very important piece of mainframe hardware.
Why IBM does not provide centralized management on HMC or MCL updates?
Why can't I have such switches "integrated with the system z"?
(Hint: System Automation is not applicable here. It is separately paid,
it is nt HMC based, it does not provide many features like MCL updates).
I see serious inconsistency here: zBX, ethernet switches are "centrally
managed", but not FICON switches. The only answer that comes to mind is:
it is political issue, not technical.
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