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docs/doc/source/system_configuration/kubernetes/converting-a-duplex-system-to-direct-connection.rst
Rafael Jardim 01ba8ebfd6 Update system configuration 
There are minor changes here, that update the content of some files
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starlingx_upstreaming/commits/3b193cc3aa566b2040c7226a9ed32d08bd91b82f


Signed-off-by: Rafael Jardim <rafaeljordao.jardim@windriver.com>
Change-Id: I461fce0c81f4605c200572ff71ae52cc889a856b
2021-03-08 10:52:00 -03:00

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Convert a Duplex System to Direct Connection

On a system configured to use switch-based network connection for the management and cluster host networks, you can convert to direct (peer-to-peer) connection.

The connection type is initially configured at installation. You can change it at any time. You must use the CLI to make the change.

  1. Use the system modify command to specify direct connection (duplex-direct).

    ~(keystone_admin)]$ system modify --system_mode=duplex-direct

    This raises Config-out-of-date alarm messages on both controllers.

  2. Lock and then unlock the standby controller to update its configuration.

    Wait for the controller to be reported as Unlocked, Available, and Online, and its Config-out-of-date alarm message to be cleared.

  3. Swact the controllers.

  4. Lock the new standby controller.

  5. Disconnect the management and infrastructure cables from the switch.

    This raises Port failed and Interface failed alarms on the active controller for the management and infrastructure interfaces.

  6. Reconnect the cables in a peer-to-peer configuration.

    Wait for the network interface alarms to be cleared.

  7. Unlock the standby controller to update its configuration.

    Wait for the controller to be reported as Unlocked, Available, and Online, and its Config-out-of-date alarm message to be cleared.

The system is now reconfigured to use direct connections for the internal networks.