Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 14, 2012
Patent Application Number
12420082
Date Filed
April 8, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A virtual machine management system may perform a three phase migration analysis to move virtual machines off of less efficient hosts to more efficient hosts. In many cases, the migration may allow inefficient host devices to be powered down and may reduce overall energy costs to a datacenter or other user. The migration analysis may involve performing a first consolidation, a load balancing, and a second consolidation when consolidating virtual machines and freeing host devices. The migration analysis may also involve performing a first load balancing, a consolidation, and a second load balancing when expanding capacity.
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