Invention Grant
- Patent Title: Incremental virtual machine backup supporting migration
- Patent Title (中): 增量虚拟机备份支持迁移
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Application No.: US13028649Application Date: 2011-02-16
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Publication No.: US08832029B2Publication Date: 2014-09-09
- Inventor: Angshuman Bezbaruah , Christopher L. Eck , Soumya Kanti Das Bhaumik , Hasan Serdar Sutay , Howard Hao
- Applicant: Angshuman Bezbaruah , Christopher L. Eck , Soumya Kanti Das Bhaumik , Hasan Serdar Sutay , Howard Hao
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agent John Jardine; Andrew Sanders; Micky Minhas
- Main IPC: G06F17/30
- IPC: G06F17/30

Abstract:
A record of changes to virtual machine data of a virtual machine and a record of changes to snapshots of the virtual machine that have been received since the virtual machine was last backed up are maintained. In response to it being time to perform an incremental backup of the virtual machine, a portion of the virtual machine data is backed up based on the record of changes to the virtual machine data, and a portion of the snapshots is backed up based on the record of changes to the snapshots. In response to it being time to migrate the virtual machine to a second host device, the virtual machine data, the record of changes to the virtual machine data, the record of changes to the snapshots, and one or more of the snapshots are migrated to the second host device.
Public/Granted literature
- US20120209812A1 INCREMENTAL VIRTUAL MACHINE BACKUP SUPPORTING MIGRATION Public/Granted day:2012-08-16
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