| 发明名称 |
DATA PROCESSING |
| 摘要 |
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. |
| 申请公布号 |
US2014281221(A1) |
申请公布日期 |
2014.09.18 |
| 申请号 |
US201414211546 |
申请日期 |
2014.03.14 |
| 申请人 |
EMC Corporation |
发明人 |
Wang Lei;Yang Xiangqing;Ren Ren;Ma Xi;Zhu Yin |
| 分类号 |
G06F3/06 |
主分类号 |
G06F3/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for data copy, comprising:
identifying a data source on which a 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. |
| 地址 |
Hopkinton MA US |
