Monitoring Power States

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Power States

You can power on and power off a managed host by using this channel. Servers will be powered on, and if boot PROMs are configured, the servers will boot. Stopping a server initiates a graceful shutdown of the operating system and subsequent power-off of the managed server. If there is no operating system, you have to force a shutdown of the server. The following power states are displayed:

  • On - The server is powered on and running.
  • Standby - The server is powered off but still responsive to commands, for example, start and reset.
  • Unknown - An error occurred while attempting to retrieve the power status of the hardware. The server is connected but is not returning any information on power status.
  • Unreachable - The server cannot be contacted for information about its power state. This is most often caused by a network problem or the server is in the standby mode.

To power off or power on a server or chassis, refer to the procedures in the Management module of Sun xVM Ops Center Online Help.

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