What does 99.99999 % uptime per year mean?
If you want answers to these questions you have too look at the availability levels below. They show how many minutes, seconds downtime/system outage you are allowed to have in a year, to meet certain SLA figures and your contractual obligations.
Level of availability Total downtime per year
99% 3.6 days
99.9% 8.76 hours
99.99% 52 minutes
99.999% 5 minutes
99.9999% 30 seconds
99.99999% 3 seconds