Patent ID: 8984345
Filing Date: 2015-03-17
Classification: G06F

Abstract:
1. A fault restoration apparatus for use in a virtual environment in which a plurality of domains each having an operating system (OS) and one or more applications are run, the fault restoration apparatus comprising: a domain monitoring unit configured to monitor fault state values of the plurality of domains; a fault determination unit configured to compare the fault state values of the plurality of domains with a threshold and detect a faulty domain from the plurality of domains based on the results of the comparison; a fault restoration unit configured to restore the faulty domain by reloading the OS of the faulty domain and in response to the faulty domain not being restored by reloading the OS of the faulty domain, the fault restoration unit restores the faulty domain using backup data of the faulty domain; and a processor configured to operate at least one of the domain monitoring unit, the fault determination unit, and the fault restoration unit.