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Friday, September 14, 2012

Cluster Availability 9's Equation

Based on the "Trubin" Law (see my previous post) each additional node adds one more 9's to overall cluster availability. That is exactly true only if the single node has only one 9's (A=0.9), which the above "Trubin"'s equation shows.

But how that would work for other single node availability numbers? What if that has two or three 9's? I have generalized my previous equation to cover that and it shows that the cluster availability number of 9's will be increasing in arithmetic progression (sequence)!
Check more in the next post "LinkedIn Discussion around Trubin's Availability Formula"

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