Speaking of KVA, has anyone else heard about anyone hooking up the old
machine floor plumbing to chillers in order get cool enough air on the
floor to cool dense racks or blade centers. Just wondering if what I
heard is a rumour, at fact or a mainframe geek joke.... :-)
Joe Temple
Executive Architect
Sr. Certified IT Specialist
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Home office 845-338-1448 Home 845-338-8794
Joe Poole
<[EMAIL PROTECTED]
om> To
Sent by: Linux on [email protected]
390 Port cc
<[EMAIL PROTECTED]
IST.EDU> Subject
Re: Why Zseries
02/10/2005 01:46
PM
Please respond to
Linux on 390 Port
On Thursday 10 February 2005 01:32 pm, Levy, Alan wrote:
> David - thanks. This is what that I was looking for.
>
Let me add to what Dr. David said with a few metrics. The densely
packed servers of today draw between .1 and .7 kVA of power. If you
take .3 kVA as an average, it takes only 15 servers to match the 4.5
kVA of a z900. Add more CPUs and internal disk to the servers, and
it's not uncommon to find a single server rack that exceeds the power
requirements of the zSeries with a Shark thrown in for good measure.
I've heard that it's become difficult to add the required power to some
of the buildings in NYC to support the server induced power load.
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