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Understanding clustering

About clustering

Clusters are configured and managed using the Supervisor. A cluster is a group of blades on the same MSE chassis linked together to behave as a single unit that provides the combined port count of all the blades in the cluster. A larger port count provides flexibility: either conferences with more participants or several smaller conferences. You can configure two types of cluster:

 

Master blades

All of the port or screen licenses allocated to all the blades in a cluster are "inherited" by the master blade; all ports in the cluster are controlled by the master. Therefore, after you have configured a cluster, you must control conferences and MCU functionality through the master using either its web interface or through its API. All calls to the cluster are made through the master.

Slaves blades

Slave blades do not display the full MSE 8710 blade web interface. Only certain settings are available, such as network configuration, logging and upgrading. Similarly, a slave blade will only respond to a subset of API methods. For more information, refer to the relevant API documentation (available on www.tandberg.com).

General points

Some points to note about clustering:

Upgrading clustered blades

If you need to upgrade the blades in a cluster, first upload the new software images to each blade in the cluster and then restart the master. The slaves will automatically restart and the upgrade will be completed.

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