[cisco-voip] CUCM on 3rd party hardware (CPU question)

[Madziarczyk, Jonathan]

So I'm trying to figure this one out.  Maybe some Cisco gurus can chime
in?

 

I started by going off of this document:
http://docwiki.cisco.com/wiki/UC_Virtualization_Supported_Hardware#Proce
ssors_.2F_CPUs

My brand new Dells have Intel Xeon E5-2660s in them which qualifies, but
they're running at 2.2GHz instead of the requested 2.5GHz.  

 

However when I look at this:
http://docwiki.cisco.com/wiki/OVA_Template_Details_for_Unified_CM_Releas
e_9.0

I see that both the 1000 and 2500 user servers are based off of the
E5500 series chips which is significantly slower than my processors, as
based on the following: http://ark.intel.com/compare/37104,37096,64584  

 

Technically, the 1000user server model doesn't even qualify as a valid
hardware config based off of the first docuwiki link, and both models
are using 4yr old CPUs while I'm trying to use a <1yr old cpu that's 2
generations ahead of Cisco's recommendations (2x threads, 2x cache, 2x
bus speed, 2x memory bandwidth, more memory channels, faster Max Turbo
Freq, etc).  And secondly the reservation is only for 800MHz, which
means if there's any contention, having a 2.5GHz chip means nothing,
right?

 

I get that Cisco is trying to pad their stats to eliminate any sort of a
hardware issue, but from my perspective using a brand new server I
already own vs. spending another $8k.  Especially, when I believe
existing will run even better than the OVA requirements.

 

Obviously I want to be TAC supported on the software, do I need to ask
for special dispensation to run on existing hardware (would that even
have a chance)?  

 

Thoughts?

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