…Four Keys to All-Flash Performance from Hybrid Arrays

Hybrid arrays have a clear price advantage over all-flash storage systems because they leverage hard disk drives to drive down the cost per GB. The concept makes sense since not all data needs flash performance all the time. Since most of the data can be delivered from the flash tier, hybrid systems can make the price advantage even more pronounced by using high capacity hard disks instead of low capacity performance hard disks. Hybrid arrays do introduce a level of performance unpredictability that make IT planners nervous. If data does need to be read from the hard disk tier, there will be an obvious performance drop, made even more pronounced if the system uses high capacity hard disks.

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NOTE: This column was originally published in the Weekly Newsletter.

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