Saturday, November 19, 2011

Amount of network interfaces for a Hyper-V Cluster Node


Microsoft recommends at least 4 network interfaces in each Hyper-V Cluster node.
- One for Management;
- One for Live Migration;
- One for the Cluster and Cluster Shared Volumes (Heartbeat connection);
- One (or more) for access to the Virtual Machines (probably you need more than one network interfaces to access all the virtual machines on a Hyper-V node with a good performance).
See the following Microsoft TechNet article for more information: 
http://technet.microsoft.com/en-us/library/ff428137(WS.10).asp
So my advice is to select hardware with a minimum of four network interfaces and with expansion possibilities.

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