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Published: 22 Oct 2012

Vendors are starting to add solid-state storage to their arrays, but it isn't as simple as replacing enterprise drives with solid-state memory. WHILE TIER 0 STORAGE may be a new term, the underlying technology of solid-state storage has lived a niche existence for many years. But the rapid adoption of NAND flash in consumer devices and falling flash-memory prices are making NAND flash memory a feasible option for those applications that require high performance. EMC Corp.'s recently added support for solid-state disks (SSDs) in its Symmetrix product line is a clear sign that solid-state storage is transitioning from an exotic specialty item to a mainstream feature. Yet most enterprise array vendors aren't shipping solid-state storage products; this indicates that adding an SSD-based Tier 0 to an existing array isn't as simple as replacing traditional hard disks with solid-state drives. And while pricing for solid-state memory continues to fall, the cost of enterprise NAND flash is still much higher than that of the fastest Fibre Channel (FC) enterprise disks... Access >>>

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