Five nines
Five nines, commonly taken to mean "99.999%", may refer to:
- High availability of services, when a service is available for 99.999% of the time, or around 5 minutes of downtime per year
- Nine (purity), a 99.999% pure substance
- German 15 cm (5.9 in) artillery shells used in World War I
This disambiguation page lists articles associated with the title Five nines.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.