Search results
Results from the WOW.Com Content Network
Another memory trick to calculate the allowed downtime duration for an "-nines" availability percentage is to use the formula seconds per day. For example, 90% ("one nine") yields the exponent 4 − 1 = 3 {\displaystyle 4-1=3} , and therefore the allowed downtime is 8.64 × 10 3 {\displaystyle 8.64\times 10^{3}} seconds per day.
This is average amount of time while the system is not 100% operational because of diagnostic testing that requires down time. For example, an automobile that requires 1 day of maintenance every 90 days has a Mean Active Maintenance Down Time of just over 1%. This is separate from the type of down time associated with repair activities.
Downtime per year 90% 1 nine 876 hours 95% – 438 hours 99% 2 nines 87 hours, 36 minutes 99.9% 3 nines 8 hours, 45 minutes, 36 seconds 99.99% 4 nines 52 minutes, 33.6 seconds 99.999% 5 nines 5 minutes, 15.36 seconds 99.9999% 6 nines 31.68 seconds
"Five nines" reliability in a continuously operated system means an average downtime of no more than approximately five minutes per year (there is no relationship between the number of nines and minutes per year, it is pure coincidence that "five nines" relates to five minutes per year.) (See high availability for a chart.)
1 troy ounce of four nines fine gold (999.9) Nines are an informal logarithmic notation for proportions very near to one or, equivalently, percentages very near 100%. Put simply, "nines" are the number of consecutive nines in a percentage such as 99% (two nines) [1] or a decimal fraction such as 0.999 (three nines).
Our bodies have 3 billion genetic building blocks, or base pairs, that make us who we are. And of those 3 billion base pairs, only a tiny amount are unique to us, making us about 99.9% genetically ...
Uptime is the opposite of downtime. Htop adds an exclamation mark when uptime is longer than 100 days. It is often used as a measure of computer operating system reliability or stability, in that this time represents the time a computer can be left unattended without crashing or needing to be rebooted for administrative or maintenance purposes.
CKFM's former studios at 2 St. Clair West until May 2014, when CKFM moved to Bell Media's 250 Richmond Street West, adjacent to 299 Queen Street West. The station was launched in 1938, by the Rogers Radio Broadcasting Co. Ltd. (operated by Ted Rogers Sr., the father of the founder of Rogers Communications, as experimental FM station VE9AK. [1]