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 | Thursday, July 24, 2008 | SSD/Flash/NVRAM |
Samsung announced a 500,000 R/W cycle on their server-grade NAND flash. I thought that was pretty smart – even though the “several month” project didn’t sound like it involved a lot of engineering. Then Flash analyst extraordinaire Jim Handy,...
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...
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