RAID Scaling Charts, Part 2

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RAID 6 I/O Performance

RAID 6 setups provide significantly less I/O performance than comparable RAID 5 arrays, and they don’t scale all that well, either. The only I/O benchmark that still scales well is the Web server run, because it does not involve write operations that involve calculating double parity.

Patrick Schmid
Patrick Schmid
Editor-in-Chief (2005-2006)

Patrick Schmid was the editor-in-chief for Tom's Hardware from 2005 to 2006. He wrote numerous articles on a wide range of hardware topics, including storage, CPUs, and system builds.