Primary storage data deduplication has yet to have the impact of backup dedupe, but it does promise to bring cost savings and reductions in required disk capacity. In this SearchStorage.co.UK guide, you can read about how primary data deduplication works, its pros and cons, as well as how the main vendors are incorporating it into their array products.
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In this technology survey, storage expert Chris Evans looks at the main storage vendors’ implementations of primary storage deduplication and how a new breed of flash-powered array is building in primary dedupe from the start.
Chris Evans looks at the pros and cons -- including reduced disk capacity requirements, increased randomisation of data and higher I/O demands -- of using primary storage deduplication on storage arrays.