John McKown wrote:
[...]
Of course, this still does not address the horrendous cost of software for
the z, especially z/OS.
Yes :-(
Comparing a z penguin farm (Linux) to an Intel penguin farm, the z would
almost always win. [...]
No. BTDT. It depends on requirements for HW quality. Intel penguin farm
could mean high-end xSeries or blades, or simply bunch of regular PCs
(see Google). I really don't care about memory overallocation in PC,
because 1GB costs less than $100 (compared to $8k in z), I don't care
about CP overallocation, because Intel/AMD CP is $300 (compared to $125k
for IFL in z). Disks could be the same or I can choose much cheaper
disks for PC.
Floor space, HVAC, energy bills - still no significant savings here.
Ecology - well I like green, but I won't plug out my fridge, my boss
won't pay many thousands $$$ for being greener a little bit.
...and VM is not free.
Last but not least: each of PCs in a flock can run Linux or Microsoft
Windows as well.
--
Radoslaw Skorupka
Lodz, Poland
--
BRE Bank SA
ul. Senatorska 18
00-950 Warszawa
www.brebank.pl
Sd Rejonowy dla m. st. Warszawy
XII Wydzia Gospodarczy Krajowego Rejestru Sdowego,
nr rejestru przedsibiorców KRS 0000025237
NIP: 526-021-50-88
Wedug stanu na dzie 01.01.2008 r. kapita zakadowy BRE Banku SA wynosi
118.642.672 zote i zosta w caoci wpacony.
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