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Method a source storage device to send a source file and a clone file of the source file to a backup storage device, a source storage device and a backup storage device
Method a source storage device to send a source file and a clone file of the source file to a backup storage device, a source storage device and a backup storage device
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机译:方法将源文件和源文件的克隆文件发送到备份存储设备,源存储设备和备份存储设备的方法
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摘要
A method for a source storage device to send a source file and a clone file of the source file to a backup storage device. The source storage device sends a data block to the backup storage device to be stored as a target file. Then, the source storage device determines that the source file is associated with the clone file by searching a cloning recorder with a source file ID of the source file. Based upon the determining, the source storage device sends a clone creating request including the source file ID to the backup storage device to instruct the backup storage device to create a clone file of the target file. Thus, the method is capable of replicating the clone file of the file without sending a large number of mapping data.
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