You have 9 virtual machines placed in an Availability Set. You set the number of fault domains to 2 and number of update domains to 20. How many virtual machines will be available during planned maintenance?
Experience Level: Senior
Tags: Azure Availability SetsAzure CloudAzure Virtual Machines
Answer
8 virtual machines.
As there are 20 update domains, which is more than the number of virtual machines, each virtual machine will be in a separate update domain. Only one update domain at a time is updated, so only one virtual machine at a time will be maintained and will be unavailable. So the total number of available machines during planned maintenance is 8.
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