this 48-core box...
freebsd at penx.com
Tue Sep 17 20:30:01 UTC 2013
On Tue, 17 Sep 2013, iamatt wrote:
> Hi. Not sure if you can use all cores. It has been and still is my
> experience that SM is crap. We have several SM gpu and SM/Calxeda Arm
> clusters and they really lack in may ways from ipmi to chassis management
> to the corners they cut with the processor to memory mappings.
Just to clarify:
My use is simply as servers and workstations. Generally I don't use IPMI
on these systems. I have had trouble with the PCIe slots. Specifically, on
the dual core boards some slots are serviced by one set of hardware and
other slots by other sets of hardware. Consequently, if you don't have all
cores populated then corresponding PCIe slots will not work.
Can't say about the four core system, though.
> I would consider looking at SGI UV, ultraviolet system for a fat node type
> system but they are not cheap. We have plenty of those and they can build
> it the way you want. Lead time is a couple of months due to build to
> order. Support from SM sucks too. :)
> On Sep 17, 2013 12:17 PM, "Michael Chen" <michael at foxbatcapital.com> wrote:
>> I'm considering bidding on this 48-core box:
>> Does anyone have experience with it and can I use all the cores?
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