After starting up, the Manager will automatically attempt to fence unresponsive hosts that have power management enabled after the configurable quiet time (5 minutes by default) has elapsed. Previously the user needed to fence them manually. Update the Host High Availability[1] topic accordingly. https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2-beta/html-single/administration_guide/#Host_high_availability
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