What is 99% uptime in a year?
SLA or Uptime indicates the amount of time a machine or service remains available, usually for the year. Uptime is expressed in percentage. Suppose a company provides an Uptime of 99%, which means their service will expect to be down 1%, or 3.65 days over a year.
How many hours is 99.9 uptime?
8.76 hours
What does availability/uptime mean in the real world?
| Availability % | Downtime per year | Downtime per month* |
|---|---|---|
| 99% | 3.65 days | 7.20 hours |
| 99.5% | 1.83 days | 3.60 hours |
| 99.8% | 17.52 hours | 86.23 minutes |
| 99.9% (“three nines”) | 8.76 hours | 43.2 minutes |
How do you calculate 99.99 uptime?
The SLA calculations assume a requirement of continuous uptime (i.e. 24/7 all year long) with additional approximations as described in the source….Uptime and downtime with 99.99 % SLA
- Daily: 8s.
- Weekly: 1m 0s.
- Monthly: 4m 22s.
- Quarterly: 13m 8s.
- Yearly: 52m 35s.
What does 99.9 percent uptime mean?
Uptime is the amount of time that a service is available and operational. Uptime is generally the most important metric for a website, online service or web based provider and is expressed as a percentage such as ‘99.9%’. For example a 99.9% uptime equates to 43 minutes and 50 seconds of downtime.
What is 99.9 uptime in a month?
Percentage calculation
| Availability % | Downtime per year | Downtime per month |
|---|---|---|
| 99.8% (“two and seven eighths nines”) | 17.53 hours | 87.66 minutes |
| 99.9% (“three nines”) | 8.77 hours | 43.83 minutes |
| 99.95% (“three and a half nines”) | 4.38 hours | 21.92 minutes |
| 99.99% (“four nines”) | 52.60 minutes | 4.38 minutes |
How many minutes is 99.999 uptime?
5.26 minutes
| Availability % | Downtime per year |
|---|---|
| 99.9% (“three nines”) | 8.76 hours |
| 99.95% | 4.38 hours |
| 99.99% (“four nines”) | 52.56 minutes |
| 99.999% (“five nines”) | 5.26 minutes |
What uptime means?
Definition of uptime : time during which a piece of equipment (such as a computer) is functioning or able to function.