专利名称：VIRTUAL MACHINE MIGRATION发明人：Michael NELSON申请号：US14624009申请日：20150217
公开号：US20150160964A1公开日：20150611
专利附图：
摘要：A source virtual machine (VM) hosted on a source server is migrated to adestination VM on a destination server without first powering down the source VM. Afteroptional pre-copying of the source VM's memory to the destination VM, the source VM issuspended and its non-memory state is transferred to the destination VM; the
destination VM is then resumed from the transferred state. In one embodiment, thesource VM memory is either paged into the destination VM on demand, or is transferredasynchronously by pre-copying and write-protecting the source VM memory, and thenlater transferring only the modified pages after the destination VM is resumed. In oneembodiment, the source and destination servers share common storage, in which thesource VM's virtual disk is stored; this avoids the need to transfer the virtual diskcontents.
申请人：VMware, Inc.
地址：Palo Alto CA US
国籍：US
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