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  • On RAID 5: ((Page reads + read ahead pages + ((page writes + checkpoint pages + lazy writes + log flushes) X 4)) / number of disk spindles in RAID array) must be < 65.
  • On RAID 10: ((Page reads + read ahead pages + ((page writes + checkpoint pages + lazy writes + log flushes) X 2)) / number of disk spindles in RAID array) must be < 65.

Reduce page writes

If the page writes rate exceeds 65 for more than five seconds every 20 minutes, then consider the following:

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