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Put data dedupe to the test
This article is part of the Vol. 8 Num. 3 May 2009 issue of Storage magazine
You can take your chances and believe the deduplication ratios and performance the vendors say you'll get, or you can do it right and test the systems yourself. By W. Curtis Preston Some data deduplication vendors are lying to you. Although I knew this, it became immediately apparent after the feedback I received to my BackupCentral.com blog post on deduplication performance. All I did in that article was compile and interpret publicly available information, but some people felt I was validating those vendors' claims despite a disclaimer to the contrary. I received public and private comments from vendors and users alike that said, "How can you say vendor ABC does xxx MB/sec? We've never seen more than half that!" or "Have you asked that vendor for a reference? I doubt a single customer is using the configuration you listed in your article!" Suffice it to say that some of those numbers, while openly published by the vendors, are complete and utter fiction. Which ones, you ask? Given the confusion about published statistics and ...
Features in this issue
You can take your chances and believe the deduplication ratios and performance the vendors say you'll get, or you can do it right and test the systems yourself.
Continuous data protection (CDP) application adoption is hardly a juggernaut, but our most recent survey shows a modest increase in the number of CDP users.
A comprehensive revamping of the storage environment at a major government agency shows how a tiered storage design can meet operational expectations without busting the budget.
Storage budgets are lower this year, forcing storage managers to think creatively and act strategically.