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Learning Moments—HA didn’t work

Alastair Cooke of Demitasse comments:

This learning moment came from a health check that I did with a client. They had a small VMware estate with only three ESX servers and a small SAN. They asked for a health check because they had been let down by VMware High Availability (HA) when one of their ESX hosts crashed. None of the VMs on the failed ESX server had been restarted on the remaining ESX servers. Rather disappointing.

I’m looking forward to Alastair’s new “learning moments” series. Mainly because I learn best from making mistakes. It’s just better when they aren’t mine.

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About the author

Tom Hollingsworth

Tom Hollingsworth is a networking professional, blogger, and speaker on advanced technology topics. He is also an organizer for networking and wireless for Tech Field Day.  His blog can be found at

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