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Microsoft calls for cloud flash, server SoCs

11/16/2011 11:26 PM EST
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resistion
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re: Microsoft calls for cloud flash, server SoCs
resistion   11/21/2011 12:51:55 PM
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These guys seem to have no clue. MLC only offers 2x more density, but the wearout is order of magnitude worse at least. You have to spend more energy to verify you got the correct two-bit state. Spend more energy, and replace more than twice as often, you lost the cost. Then there is the Pareto aspect. Memory is not the big power consumer, compared to the processor and even the cooling method itself. It is just trendy to tout SSD's right now, especially in the wake of the Thai floods. But too little too late.

arielmaislos
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re: Microsoft calls for cloud flash, server SoCs
arielmaislos   11/21/2011 11:27:24 AM
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With the reality of cloud storage and computing upon us, data center experts are absolutely right to focus “maniacally” on their search for a pragmatic balance of performance, power, density and cost. Getting this right is the only way that cloud resources will successfully deliver a high-quality user experience while under the heavy workload of a shared environment. In a performance-per-Watt-per-dollar world, SSDs will certainly be the big lever for efficiently boosting performance, increasing density, and reducing power consumption as part of a multi-tier architecture. As Mr. Bhandarkar suggests, SLC SSDs are impractical in a cloud scenario because their size and cost won’t appeal to anyone who is focused on lean-and-green data center metrics. MLC represents the best way to optimize performance, power, and density at a much lower cost per GB than SLC. There is an opportunity for us in the industry to define “Cloud MLC.” To some extent, Cloud MLC already exists in the form of low power, cost effective MLC SSDs, but only those MLC SSDs that actually perform at enterprise-class levels – defined by high IOPS performance and Read/Write endurance. The flash/SSD industry must continue to bring highly innovative flash controller technology (such as Anobit’s Memory Signal Processing) to market if we are to answer Mr. Bhandarkar’s visionary call for viable cloud flash solutions.

chanj0
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re: Microsoft calls for cloud flash, server SoCs
chanj0   11/17/2011 6:48:04 PM
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MLC has 1/10 of write endurance than SLC. It may impose a maintenance issue for services which involve heavily writing such as mail server and storage server. In order to accomplish the green initiative, a better storage architecture has to be engineered. There seems to be opportunities, doesn't it?

resistion
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re: Microsoft calls for cloud flash, server SoCs
resistion   11/17/2011 12:39:39 AM
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The replacement cycle of C-MLC flash will be an issue. They should be looking more carefully at alternative NVM's.

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