AZ-104 Certification Practice Question #16

Question

You have an Azure virtual machine (VM) that has a single data disk. You have been tasked with attaching this data disk to another Azure VM.
You need to make sure that your strategy allows for the virtual machines to be offline for the least amount of time possible.
Which of the following is the action you should take FIRST?

Accepted Answer

Azure supports hot-detaching and hot-attaching of data disks, meaning you can detach a data disk from a running virtual machine and attach it to another running virtual machine without stopping either machine. Since the scenario requires that the virtual machines be offline for the least amount of time possible, you should avoid stopping any VM. The first action is simply to detach the data disk from the source VM while it is running (ensuring first that no active read/write operations are occurring on the disk at the OS level). This results in zero VM downtime.

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