Thursday, December 5, 2019

Disaster Recover and Failure Domains

One of the responses to my Disaster Recovery Faking blog post focused on failure domains:

What is the difference between supporting L2 stretched between two pods in your DC (which everyone does for seamless vMotion), and having a 30ms link between these two pods because they happen to be in different buildings?

I hope you agree that a single broadcast domain is a single failure domain. If not, let agree to disagree and move on - my life is too short to argue about obvious stuff.

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Thanks to Ivan Pepelnjak (see source)

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