Quick Migration
The Quick Migration function provides a way to quickly move a virtual machine from one host server to another with a small amount of downtime.
In a quick migration, the guest virtual machine is suspended on one host and resumed on another host. This operation happens in the time it takes to transfer the active memory of the virtual machine over the network from the first host to the second host. For a host with 8GB of RAM, this might take about two minutes using a gigabit iSCSI connection.
Quick migration was the fastest migration available for Windows Server 2008 Hyper-V. Microsoft made considerable investments in Hyper-V migration technologies, trying to reduce the time required to migrate virtual machines between Hyper-V hosts. ...
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