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VMware High Availability (HA)

Andrew Kutz EXPERT RESPONSE FROM: Andrew Kutz

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QUESTION POSED ON: 12 September 2006
I wanted to find out more about disaster recovery. I haven't been able to find much information floating around the Web on VMotion and High Availability (HA) that comes in VMware. Can you tell me how HA handles disaster recovery?

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VMware High Availability (HA) has very little to do with disaster recovery when you think of disaster recovery in terms of recovering from a catastrophic loss of data or network.

HA is actually a very cool technology new to VMware Virtual Infrastructure 3 (VI3) that will automatically restart virtual machines (VMs) on different ESX hosts if an ESX host fails or is isolated from the other hosts. I will be doing an in-depth article on HA in the future, but for now you can always check out the official VMware documentation on HA.


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