停机意味着什么? Percentage Percentage Downtime Downtime Uptime Downtime Per Year Per Week 965% 3.5% 12d18h 5h53m 98% 7d 7h 3h22m 99% 2—1 /0 3d15h 1h 41m 998% 0.2% 17h 30m 20m 10sec 999% 0.1% 8h45m 10m 5sec 9999% 0.01% 52.5m 60sec 999999 0.001% 525m osec 999999%00001%315sec 0sec Source: Morris Stern, Blueprints for High Availability停机意味着什么？ 停机意味着什么？ 96.5% 3.5% 12d 18h 5h 53m 99.9999% 99.9999% 0.0001% 0.0001% 31.5sec 0.6sec 99.999% 99.999% 0.001% 5.25 m 6sec 99.99% 0.01% 52.5 m 60sec 99.9% 0.1% 8h 45m 10m 5sec 99.8% 0.2% 17h 30m 20m 10sec m 10sec 99% 1% 3d 15h 1h 41m 98% 2% 7d 7h 3h 22m Downtime Per Week Downtime Per Year Percentage Downtime Percentage Uptime Source: Morris & Stern, Source: Morris & Stern, Blueprints for High Availability Blueprints for High Availability