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Software-defined storage and SSDs

Marc Staimer, independent storage expert and founder of Dragon Slayer Consulting, discusses software-defined storage and SSDs in this Expert Answer.

What is software-defined storage and how does it apply to flash storage?

Software-defined storage (SDS) is an emerging storage technology for the data center, IaaS, PaaS and SaaS. It will (key word "will") allow applications to define, manipulate, expand, shrink and protect storage based on application policies in an on-demand basis. The multi-tenant cloud market is driving SDS. The currently available storage systems closest to being SDS are cloud storage systems based on object storage technology.

SDS will apply to SSDs in the same way it applies to HDDs: The performance of the media is just one factor in policy-driven, on-demand flexibility.

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There was a great multi-vendor conversation at SNW moderated by an ESG analyst where this topic was discussed. I blogged abut it here http://ronriffe.wordpress.com/2013/05/08/snw-spring-2013-recap/