Emc IP Holding Company LLC

United Automotive Electronic Systems Co. Ltd.

Yin Zhu

Wei Zhang

Qing Li

Ren Ren

Xiangqing Yang

Xi Ma

Haoxun Dong

Zhongyu Wu

Various embodiments of the present invention relate to a method and apparatus for data copy. Specifically, in one embodiment of the present invention there is provided a method for data copy, comprising: obtaining a data source on which data copy is to be executed; determining a size P of a block extent based on which the data source is divided; dividing the data source into at least one data block based on the size P of the block extent; and copying data from the data source to a data target in the basic unit of the at least one data block; wherein the size P of the block extent is an integral multiple of a size R of a read/write unit supported by underlying architecture. In one embodiment of the present invention, there is provided an apparatus for data copy.

Method and apparatus for efficient data copying and data migration

Growing community of inventors

Shanghai, China

Yin Zhu