1812 The connection between one pair of nodes is disconnected.

Explanation

A node is disconnected.

User response

Complete the following steps:
  1. Run the lseventlog sequence_number command and note the values for the following attributes:
    reporting_node_id
    The ID for the node that reported the error.
    sense
    Among the other sense data, locate the destination_ip, which is the IP address of the disconnected node.
    object_id
    The port ID for the connection.
  2. Run the following command:
    sainfo lsnodeip

    Note the node IP address, which is in same row with the port ID from the previous step.

  3. As superuser, ping the disconnected node from the reporting node:
    ping -srcip4 --reporting_ip destination_ip
  4. If the ping is successful, contact your support representative. If the ping fails, look for an issue with the network or with the IP configuration.