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January 4, 2017

Most Spectacular Hardware Failure in the STH/ DemoEval Lab 2016

We take a look at the most spectacular hardware failure in the STH/ DemoEval lab during 2016. Failures happen all the time, this was plain scary
 
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July 30, 2012

New Supermicro Quad Intel Xeon E5-4600 LGA2011 MP Motherboards

Supermicro has just released a couple of Quad Xeon E5-4600 based motherboards. These boards are behemoth in size, much like quad AMD Opteron G34 motherboards, for obvious reasons. Packing Quad Intel Xeon E5-4600 CPU’s, 32x DDR3 DIMM slots capable of up to 1TB ECC memory and a few expansion slots to boot makes these new Supermicro Quad Intel Xeon motherboards very tightly packed despite their gargantuan size. They have options for built-in LSI SAS2208 RAID controller, Intel X540 Dual 10GbE LAN and  IPMI v2.0. Strangely enough, there are only two PCIe 3.0 x16 and two PCIe 3.0 x8 slots for a total of 48 PCIe lanes from a total of 160 (40×4) available through the CPUs. Clearly [...]

 
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July 26, 2012

Low-cost Mellanox MHEA28-XTC 10gbps Infiniband Performance in Ubuntu 12.04

Building upon last weeks piece regarding how to set up an Infiniband link using a Ubuntu 12.04 machine. That guide utilized two very low cost Mellanox MHEA28-XTC controllers which cost less than $50 each used. Today we are looking at the performance of the setup. One of the big drivers for using Infiniband is that it is a very low latency interface that can also handle massive amounts of bandwidth. The newest generation parts are putting out 56gbps of throughput on a single port. The Mellanox MHEA28-XTC is a dual port 10gbps part, so not exactly state of the art. On the other hand, instead of a price tag around $175/ port for 10 gigabit Ethernet even in the used market, these cards [...]

 
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May 1, 2012

Supermicro X9DRH-7TF Preview Ultimate Server Motherboard

Just spotted this new board over at Supermicro, I can only think that this motherboard was released after my comment on the Tyan S7053 server board, being my board of choice currently 🙂 I have a  feeling this motherboard could replace the S7053 and take the overall crown of king of all Intel Xeon E5 LGA 2011 server boards. Supermicro and Tyan have the server boards pretty well sewn up unless you go to a pre-built Dell, HP or IBM server. Let’s have a quick look at this monster server board.

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