Five nines
(Redirected from Five nines (disambiguation))
Five nines, commonly taken to mean "99.999%", may refer to:
- High availability of services, when the downtime is less than 5.25 minutes per year or 5 minutes and 15 seconds per year
- Nine (purity), a 99.999% pure substance
- German 15 cm (5.9 in) artillery shells used in World War I
- Five Sigma, or Standard Deviations of physical rigor required to make a significant stake claim about the fundamental nature of the cosmos, shared reality, and everything.
This disambiguation page lists articles associated with the title Five nines.
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