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4.2. Power Management by Proxy in Red Hat Enterprise Virtualization
The Red Hat Enterprise Virtualization Manager does not communicate directly with fence agents. Instead, the Manager uses a proxy to send power management commands to a host power management device. The Manager uses VDSM to execute power management device actions, so another host in the environment is used as a fencing proxy.
You can select between:
- Any host in the same cluster as the host requiring fencing.
- Any host in the same data center as the host requiring fencing.
A viable fencing proxy host has a status of either UP or Maintenance.

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