Is it actually easier to hit 9.9999% than 99.999%?
If you aim for 9.9999% you can both end up too high and too low. If you aim for 99.999% you are not going to end up with a too high uptime since sustained 100% uptime is just not possible.
June 20, 2012 at 10:59 PM
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I'm a IT-guy in Hamburg, Germany