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11
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vol 62 / November, 2019
Article

DOI 10.17586/0021-3454-2016-59-5-348-354

UDC 004.45

MODEL OF LIVE MIGRATION PROCESS WITH DATA COPYING AFTER VIRTUAL MACHINES STOPPING

S. M. Aleksankov
ITMO University, Saint Petersburg, 197101, Russian Federation; Research Institute Mashtab, Saint Petersburg, 194100, Russian Federation; postgraduate; engineer


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Abstract. The process of live migration without shared storage with post-copy approach is studied. An algorithm of live migration of virtual machines is considered from the view point of migration time investigation and unavailability of services. An analytical model is proposed for predicting the migration time and time of unavailability of services, for example, at management implementation of preventive and emergency works on the physical nodes in data centers.
Keywords: live migration, virtualization, virtual machines, high availability, clusters, modeling, postcopy

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