Five Best Practices for Disk Drive Storage Decisions

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In the past, SAS and SATA were used as convenient shorthand for fast (SAS) or dense (SATA) disk drives. Now, however, we have SSD drives with SATA interfaces as well as inexpensive and dense but relatively low-IOPS 7200 RPM drives with SAS or even fibre channel interfaces. Users can no longer make blanket assumptions like “SAS is better for databases.”  For example, if we’re comparing a blazing fast SLC SSD with a SATA interface vs. a relatively sluggish 7200 RPM NL-SAS drive, the incorrect assumption could have significant negative implications.

With a variety of storage devices available today, it can be difficult to match drives with data types and data center environments. You have to consider factors such as random access performance, sequential performance, cost, density and reliability, and often more. With so many considerations, market hype could steer you toward a fad. Gary Watson, chief technology officer at Nexsan, outlines five best practices to consider when selecting drives for your storage deployment to ensure the best price and performance for your needs.


Related Topics : Fujitsu, Storage Virtualization, Desktop Virtualization, Virtual Tape Library, InfiniBand

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