Patent ID: 8751857
Filing Date: 2014-06-10
Classification: G06F

Abstract:
1. A method, implemented by a host controller, the method comprising: monitoring, by the host controller, a status of a highly available virtual machine of a plurality of virtual machines running on a plurality of host computers to detect a failure of the highly available virtual machine, the highly available virtual machine designated to maintain minimal down time; detecting, by the host controller, a change in system resources of the plurality of host computers, the host controller coupled to the plurality of host computers; determining, based on the monitored status, that the highly available virtual machine has failed during runtime and prior to the change in the system resources; and upon detecting the change in the system resources, re-running, by the host controller, the highly available virtual machine that failed during runtime and prior to the change in the system resources, to minimize the down time of the highly available virtual machine.