DATA MIGRATION METHOD FOR VIRTUAL NODE, AND VIRTUAL NODE

摘要

A data migration method for a virtual node, comprising: a source physical node receives a migration indication message; the source physical node determines, according to the migration indication message, a target physical node and at least one virtual node to be migrated on the source physical node; obtain data structure information of the source physical node, and obtain all service objects to which the at least one virtual node belongs according to the data structure information; the source physical node migrates all the service objects to the target physical node by using the service objects as granularity. Also provided is a physical node which can achieve the migration of relational data.