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Vol. 10 Num. 8 October 2011

Status report: Solid-state storage

Solid-state storage has carved out a niche in the storage ecosystem, establishing itself as a viable alternative for high-performance applications. Solid-state disk is, of course, nothing of the sort. Whereas a disk is a round, flat object, solid-state storage is really just memory chips. That may seem like a silly semantic distinction, but it’s actually important to bear that in mind when architecting a data access solution. Solid-state drives (SSDs), also referred to as flash memory and flash cache, have more in common with memory -- specifically cache memory -- than with spinning hard disk drives (HDDs). Although SSDs are commonly deployed “behind the storage-area network (SAN)” and provisioned as part of the total storage pool, they behave like large repositories of cache. That’s important to consider when designing solid-state storage into a storage solution. SSD chip technologies Three solid-state storage technologies dominate the market today: single-level cell (SLC), multi-level cell (MLC) and enterprise multi-level cell...

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Features in this issue

  • Solid-state goes mainstream

    by  Rich Castagna

    If a tech is judged by the products that crop up around it and the techs it spawns, then it’s hard to argue that solid-state storage hasn’t reached a certain level of maturity.

  • Storage managers poised to tap new technologies

    by  Rich Castagna

    As budgetary constraints ease, storage shops are looking to emerging techs and cloud services to help deal with virtualized environments, data growth and performance demands.

  • Status report: Solid-state storage

    by  Phil Goodwin, Contributor

    Solid-state storage has carved out a niche in the storage ecosystem, establishing itself as a viable alternative for high-performance applications.

Columns in this issue

  • Solid-state goes mainstream

    by  Rich Castagna

    If a tech is judged by the products that crop up around it and the techs it spawns, then it’s hard to argue that solid-state storage hasn’t reached a certain level of maturity.

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