Invention Grant
- Patent Title: VM mobility over distance
- Patent Title (中): VM移动距离远
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Application No.: US12932080Application Date: 2011-02-17
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Publication No.: US09110693B1Publication Date: 2015-08-18
- Inventor: David Meiri , Balakrishnan Ganeshan , Muralidhar Balcha , Dan Arnon
- Applicant: David Meiri , Balakrishnan Ganeshan , Muralidhar Balcha , Dan Arnon
- Applicant Address: US MA Hopkinton
- Assignee: EMC Corporation
- Current Assignee: EMC Corporation
- Current Assignee Address: US MA Hopkinton
- Agency: Muirhead and Saturnelli, LLC
- Main IPC: G06F9/455
- IPC: G06F9/455 ; G06F9/48

Abstract:
Migrating an active VM from a first data center to a second data center having a passive counterpart of the active VM includes freezing the active VM at the first data center, creating an active VM at the second data center that corresponds to the passive counterpart, and restarting the active VM at the second data center. Migrating an active VM from a first data center to a second data center may also include waiting for the passive counterpart to be synchronized with the active VM at the first data center prior to converting the passive counterpart. Creating the active VM at the second data center may include providing a snapshot of a volume containing the passive VM.
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