Virtual machine migration managing method, computer using the method, virtualizer using the method and computer system using the method
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United States of America Patent
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May 7, 2013
Grant Date -
Jul 12, 2012
app pub date -
Mar 8, 2012
filing date -
Dec 2, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In a system including a plurality of physical machines to execute virtual machines (VM1, VM2), migration virtual machine information and definition information are saved in a physical machine executing a virtual machine (VM1) to be migrated and a storage of a physical machine as a migration destination. During the migration of the virtual machine, machine identification information of a migration partner, unique information assigned to the virtual machine, and information indicating whether the physical machine executing the processing is a migration-source or migration-destination physical machine are saved in a migration information storage area. A migration recovery section examines information stored in a definition information storage area and a migration information storage area to determine a recovery procedure to restore the virtual machine.
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