Server uptime by percentage. What does it mean?

Have you heard about 99.99% uptime? How much downtime is considered 99.99% uptime?

Below is the answer

  • 99.5% uptime = 216 minutes of downtime in a month
  • 99.8% uptime = 86.4 minutes of downtime in a month
  • 99.9% uptime = 43.2 minutes of downtime in a month
  • 99.99% uptime = 4.32 minutes of downtime in a month
  • 99.999% uptime = 0.432 minutes (26 seconds) in a month

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