Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Reexamination Certificate
2011-08-23
2011-08-23
Patel, Nitin C (Department: 2116)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
C713S002000, C713S100000
Reexamination Certificate
active
08006079
ABSTRACT:
The present invention provides a system and method for fast restart of a guest operating system executing on a virtual machine operating system in a virtual machine environment. During initialization, the guest operating system saves a set of checkpoint information to persistent storage. Upon detection of an error condition during operation, the guest operating system begins a re-initialization procedure in accordance with an illustrative embodiment of the present invention. During the re-initialization procedure, the guest operating system retrieves the checkpoint information and configures itself using the retrieved information. By utilizing the retrieved information, the guest operating system avoids the need to perform lengthy configuration discovery routines, thereby shortening the re-initialization time substantially.
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“Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration,” International Filing Date: Apr. 28, 2008, International Application No. PCT/US2008/005442, Applicant: Network Appliance, Inc., Date of Mailing: Feb. 20, 2009, pp. 1-14.
Goodson Garth Richard
Srinivasan Kiran
Susarla Sai
Cesari and McKenna LLP
NetApp, Inc.
Patel Nitin C
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