Setting Cluster and Host Operations

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Presentation transcript:

Setting Cluster and Host Operations By using the following Wlbs.exe cluster control commands, you can temporarily stop cluster operations and then resume command without restarting the cluster.

By using the following Wlbs By using the following Wlbs.exe cluster control commands, you can temporarily stop cluster operations and then resume command without restarting the cluster. During a draining operation you can stop all of the IP traffic to a specified host or reload the current parameters of the Network Load Balancing driver.

Drainstop The drainstop command disables all new traffic handling on the specified hosts that enter draining mode to complete existing connections. While draining, hosts remain in the cluster and stop their cluster operations only when there are no more active connections. You can terminate the draining mode by stopping the cluster mode with the stop command or by restarting new traffic handling with the start command.

Reload You can invoke the reload command on the cluster host only and reload the Network Load Balancing driver’s current parameters. The cluster operations on the local host are stopped or restarted if necessary.

Resume The resume command resumes cluster operations after a previous suspend command. It does not restart cluster operations, but enables handling of cluster control commands, including remote control commands.

Suspend The suspend command suspends all of the cluster operations until the resume command is issued and temporarily stops cluster operations. It overrides any remote control commands that the administrator may issue. The cluster ignores all subsequent cluster control commands except resume and query.