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专利名称：Virtual storage migration method, virtual
storage migration system and virtualmachine monitor
发明人：Zhikun Wang,Xiaowei Yang,Feng
Wang,Jianhui Xu
申请号：US13340117申请日：20111229公开号：US09411620B2公开日：20160809
专利附图：
摘要：A virtual storage migration method is provided, including: starting a data
migration process, and copying, from a source storage device to a destination storagedevice, a data block in a virtual disk to be migrated; when a VM front-end I/O readrequest is received, directly reading, corresponding data from the source storage device;when a VM front-end I/O write request is received, determining whether a migration datablock that corresponds to the write request is being migrated, if yes, executing a writeoperation that corresponds to the write request after the migration of the migrationdata block is completed, if no, executing a write operation that corresponds to the writerequest; and after all the data blocks in the virtual disk to be migrated are copied to thedestination storage device, stopping the data migration, and switching the virtual diskfrom the source storage device to the destination storage device.
申请人：Zhikun Wang,Xiaowei Yang,Feng Wang,Jianhui Xu
地址：Shenzhen CN,Shenzhen CN,Shenzhen CN,Shenzhen CN
国籍：CN,CN,CN,CN
代理机构：Leydig, Voit & Mayer, Ltd.
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