Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 16)

to communicate with the domain and the Cluster Configuration Wizard may not allow you to configure all of your networks.
See " Troubleshooting " for more information on troubleshooting problems.
NOTE: Additional fault tolerance for the LAN segments can be achieved by using network adapters that support
adapter teaming or by having multiple LAN segments. Do not use fault tolerant network adapters for the cluster
interconnect, as these network adapters require a dedicated link between the cluster nodes.
Creating Separate Subnets for the Public and Private Networks
The network adapters for the public and private networks that are installed in the same cluster node must reside on separate
IP subnetworks. Therefore, the private network used to exchange heartbeat information between the cluster nodes must have
a separate IP subnet or a different network ID than the public network, which is used for client connections.
Setting the Network Interface Binding Order
1. Click the Start button, select Control Panel, and double-click Network Connections.
2. Click the Advanced menu, and then click Advanced Settings.
The Advanced Settings window appears.
3. In the Adapters and Bindings tab, ensure that the Private and Public connections are at the top of the list.
To change the connection order:
a. Click Public or Private.
b. Click the up-arrow or down-arrow to move the connection to the top or bottom of the Connections box.
c. Click OK.
d. Close the Network Connections window.
Using Dual-Port Network Adapters for the Private Network
Using a dual-port network adapter, you can configure your cluster to use the public network as a failover for private network
communications. However, to ensure high-availability and redundancy in your NAS cluster, configure the public and private
networks on two separate network adapters. For example, you can configure an internal network adapter port for the private
network and a PCI network adapter port for the public network.
NOTE: Configuring the public and private network on a dual-port network adapter is not supported.
Verifying Cluster Network Communications
To ensure proper cluster operations, the cluster nodes must be able to communicate with each other through the private
network (cluster interconnect). This communication involves the exchange of heartbeat messages, whereby the two cluster
nodes inquire about each other's status, or "health," and acknowledge each inquiry.
To verify network communications between the cluster nodes:
1. Open a command prompt on each cluster node.