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AssigneeHuawei Technologies Co., Ltd.
InventorsYahong LIU, Hao YU, Jun XIAO, Liming WANG, Jiangang XIONG, Xin PANG, Guang HU, Chengge SHI
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An embodiment of the present invention discloses a network storage device including a physical storage medium. The network storage device further includes: a storage controller, configured to map the physical storage medium to sub-logical units and map the sub-logical units to logical units, so as to implement data storing, reading, and writing, wherein the sub-logical units are identified by sub-logical unit numbers and the logical units are identified by logical unit numbers. In addition, an embodiment of the present invention further discloses a data read-write control method. The present invention can enlarge valid storage capacity of the logical units, and is compatible with existing logical unit data read-write manners.
A network storage device comprising a physical storage medium, further comprising:
A data read-write control method, comprising:
A computer readable medium including code for acquiring a mapping relationship between a physical storage medium and sub-logical units and a mapping relationship between the sub-logical units and logical units;
Dependencies are inferred from the claim text.