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Access "Reliability questions plague solid state"

Published: 22 Oct 2012

Just how reliable are the NAND flash cells in solid-state drives (SSDs)? One of flash memory's drawbacks has been that it permits only a finite number of writes before it becomes unusable. SSD reliability came under attack earlier this year when Avi Cohen, head of research and managing partner at Boston-based Avian Securities LLC, leveled the charge in a report that Dell laptops with SSDs were suffering from failure rates of between 10% and 20% and that the return rate on these laptops was between 20% and 30%. Mark Farley at Dell EqualLogic responded in a blog that Dell's SSDs "are showing the kind of reliability that everyone expected of storage with no moving parts. They are just as reliable as rotating disk drives, if not more so." Farley pointed out that Dell's SSDs don't use low-cost, consumer multilayer flash but single-level flash, which has better reliability. So these drives don't have disastrous end-of-life failures from wear-out. In fact, he says, Dell's next-generation SSD products will have performance levels that could exceed those of 7,200 rpm... Access >>>

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      We sometimes complicate our processes to create a perception of increased value. Forget information lifecycle management and tiered storage; concentrate on the four simple stages of life for any kind of information.

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      Snapshots, continuous data protection and deduplication are making their way into traditional backup products. By capturing, transferring and storing less data in the backup process, organizations can back up more data to disk--retaining data on disk for longer periods of time or enabling disk-to-disk backup for more sets of data than before.

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