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Enhancing reliability of a storage system by strategic replica placement and migration
Enhancing reliability of a storage system by strategic replica placement and migration
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机译:通过策略性副本放置和迁移来提高存储系统的可靠性
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摘要
Machines, systems and methods for optimizing data replication in a distributed storage network, the method comprising determining a need to create a replica for a data item in a remote failure zone in a data storage network; creating a temporary replica of the data item in a local failure zone defined in the data storage network, in response to determining that it is beneficial to create the temporary replica in the local failure zone based on a cost versus reliability improvement analysis; attempting to create the replica in the remote failure zone; and removing the temporary replica from the local failure zone, in response to successfully creating the replica in the remote failure zone.
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