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Data Domain DD9300 System Installation and Storage Expansion Guide

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Connecting the HA interconnect

About this task

The HA interconnect consists of a 10 GbE I/O module in slot 1 of each node in the HA pair. This connection between the two nodes provides the standby node with the information needed to fail over if the active node suffers a failure, and maintain the connections to hosts and clients after the failover is complete.
NOTE
  • The interconnect IP address is automatically configured with the IPv6 prefix d:d:d:d:d:/80
  • If there is an IP conflict, set the registry key config.net.interconnect_ip6prefix.

Steps

  1. Refer to the diagram for the port connections.
    Figure 1. HA interconnect
  2. Cable port 0 of the interconnect I/O module in node 0, slot 1 to port 0 of the interconnect I/O module in node 1, slot 1.
  3. Cable port 1 of the interconnect I/O module in node 0, slot 1 to port 1 of the interconnect I/O module in node 1, slot 1.

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