by Robin Harris | Tuesday, July 29, 2008 | Architecture, Enterprise, Future Tech |
Is the data center doomed? Or just the IT industry? That’s what the following article, by Steve Denegri – star industry financial analyst – asks. Steve’s thesis: the IT industry is entering a period of energy scarcity that, in other industries,...
by Robin Harris | Wednesday, July 23, 2008 | Architecture, Enterprise |
I’m at the SNIA Symposium this morning. Hence the short post. What is the impact of virtual machines on I/O? Engineers have spent decades optimizing the OS, drivers, caching, controllers and disks for specific workloads. Observed behavior such as locality of...
by Robin Harris | Sunday, July 20, 2008 | Architecture, Enterprise, Future Tech |
It isn’t clear how serious the enterprise storage vendors and and their customers are about reducing energy consumption. A server may have 4-8 cores, consuming 50 W when idle, attached to 8, 16 or even 24 drives each pulling 8 W at idle. High end it drives,...
by Robin Harris | Tuesday, July 15, 2008 | Architecture, Future Tech, SSD/Flash/NVRAM |
A new Usenix paper looks at NAND flash SSD performance. From a team at Microsoft Research and the University of Wisconsin, including Ted Wobber who worked on last year’s A Design for High-Performance Flash Disks [see Flash chance for the StorageMojo take on that...
by Robin Harris | Monday, July 7, 2008 | Architecture, Disk, SSD/Flash/NVRAM |
George Ou weighs in Many good points have been made about the problems with the Tom’s Hardware flash SSD tests. My former colleague George Ou, late of ZDnet, weighed in with an excellent summary of the TH testing problems: The tests are very flawed. If you...
by Robin Harris | Thursday, June 26, 2008 | Architecture, Clusters, Future Tech |
The parallel computing/manycore initiatives may be missing the point. The challenge of manycore computing is burn up as many CPU cycles as possible doing things that we don’t do today because the computational cost is too great. Making existing apps go faster is...
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