by Robin Harris | Thursday, September 18, 2008 | Architecture, Future Tech |
The assumption that underlies much of the interest in cloud computing is that there are economies of scale. If there are not, the extra costs of bandwidth and latency will make cloud computing too costly. Ever since Google demonstrated that massive infrastructures...
by Robin Harris | Tuesday, September 9, 2008 | Architecture, Enterprise, NAS, IP, iSCSI |
StorageMojo has long held the view that our storage workloads are changing: more file storage, less block storage; larger file sizes; and cooler data. While all the indicators said this was happening it’s good to find a study that confirmed this intuition. In...
by Robin Harris | Tuesday, August 26, 2008 | Architecture, Clusters, Enterprise |
I’ve been trying to get my head wrapped around IBM’s new XIV product – and not having much luck. When the acquisition was announced Andy Monshaw, general manager, IBM system storage, said it would “. . . put IBM in the best position to address...
by Robin Harris | Sunday, August 24, 2008 | Architecture, Clusters, Enterprise |
Jim Gray, in his paper Distributed Computing Economics, (pdf) noted that there is a rough price parity between 10 bytes of network traffic and a megabyte of disk bandwidth. One of his conclusions: computing has to be as close to the data as possible in order to avoid...
by Robin Harris | Wednesday, August 13, 2008 | Architecture, Disk, SSD/Flash/NVRAM |
A panel discussion on enterprise SSDs at the Flash Memory Summit came to an almost unanimous conclusion: NAND flash is best seen as an extension to DRAM and a layer between DRAM and disk – not as the guts of a disk drive replacement. I don’t think the guy...
by Robin Harris | Thursday, August 7, 2008 | Architecture, Enterprise |
Steve Denegri, author of The Data Center’s Green Direction Is A Dead End turned me onto an interesting Microsoft blog post. Titled Changing Data Center Behavior Based On Chargeback Metrics the post breaks down data center costs at Microsoft. The author,...
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