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PRIMECLUSTER  Installation and Administration Guide 4.4
FUJITSU Software
Part 4 System Configuration Modification > Chapter 9 Changing the Cluster System Environment > 9.2 Changing the Network Environment > 9.2.5 Changing the MTU Value of a Network Interface Used for Cluster Interconnects
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9.2.5 Changing the MTU Value of a Network Interface Used for Cluster Interconnects

This section describes how to change the MTU value of a network interface used for cluster interconnects.

  1. Stop CF on all the nodes that constitute the cluster.

    For information on how to stop CF, see "4.6 Starting and stopping CF" in "PRIMECLUSTER Cluster Foundation (CF) Configuration and Administration Guide."

  2. Change the MTU value of a network interface used for cluster interconnects.

  3. Start CF on all the nodes that constitute the cluster.

    For information on how to start CF, see "4.6 Starting and stopping CF" in "PRIMECLUSTER Cluster Foundation (CF) Configuration and Administration Guide."

Note

The MTU value of a network interface used for cluster interconnects must be the same on all the nodes. If there is a different value on a node, the node cannot join the cluster.

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