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Archive for N+1 Tag
What’s the “N” in N+1 High Availability?
Posted March,05,2007 by Rick Barnard
Many virtualization solutions running on distributed systems claim the ability to automatically move an application between processing resources in the case of a hardware or application failure. This eliminates the 1:1 mapping for high availability (for every active server there is a corresponding active/passive server) and therefore creates N+1 high availability. That’s great but what [...]
N+1 DR: The 72 hour rule is now 15 minutes (for multiple datacenters)
Posted February,09,2007 by Rick Barnard
A flu pandemic…it’s almost beyond comprehension in this day and age. But it’s a very real concern. The CDC has made recommendations in response to outbreaks of a feared flu pandemic. For a category 5 pandemic, the CDC recommends closing schools for 1-3 months. Think about that for a minute…imagine the impact something like this [...]
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