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Toshiba exec claims hard drives are 7X cheaper than SSDs and will continually evolve for large datacenters
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
This is my thing. I have about 122TB of spinning metal (with the same as an offsite backup) with SSDs as ZIL and L2ARC. And it's awesome. HDDs I think will genuinely be important for for the foreseeable future.