Virtual machines management apparatus, virtual machines management method, and computer readable storage medium
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United States of America Patent
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Sep 6, 2016
Grant Date -
Jan 1, 2015
app pub date -
Jun 27, 2014
filing date -
Jun 28, 2013
priority date (Note) -
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Abstract
A virtual machines management apparatus includes a virtual machine controller, a history storage, and a planning module. The virtual machine controller is configured to migrate virtual machines between plural physical servers. The history storage is configured to store, for each set of first virtual machines that were migrated to a same migration destination physical server parallel in time among the virtual machines migrated, history information. The planning module is configured to determine as to whether it is possible to start migrating a planning target virtual machine to a candidate migration destination physical server at a candidate migration start time based on a residual resource amount of the candidate migration destination physical server, a resource consumption of the planning target virtual machine, a sum of resource consumptions of migration-scheduled virtual machines, and the history information.
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