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Huawei Assigned Patent

Virtual tape library device and data recovery method

Huawei Technologies CO., Ltd., Shenzhen, China, has been assigned a patent (9,384,099) developed by Wu, Kaidi, Chengdu, China, for a “virtual tape library device and data recovery method.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”The present invention provides a VTL device and a data recovery method. The method includes: receiving a data recovery instruction from a user equipment, and sending the data recovery instruction to a file drive unit, responding, by a file drive unit to the data recovery instruction, acquiring virtual tape configuration information corresponding to to-be-recovered backup data from a VTL configuration unit, wherein the virtual tape configuration information is generated by the VTL configuration unit during completion of data backup and comprises an offset position of a data block used for storing the backup data and a size of the data block in a virtual tape, reading, by an input/output management unit, recovery data from a storage medium according to the virtual tape configuration information, and sending the recovery data to the NAS interface unit, and returning, by the NAS interface unit, the recovery data to the user equipment.

The patent application was filed on December 30, 2013 (14/143,752).

 

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