| 主权项 |
1. A data storage system, comprising at least one subsystem, each subsystem including at least two physical servers and at least two storage devices,
wherein each physical server is connected to at least one storage device through a direct channel, and a part of storage medium in each storage device are used as a master storage area, another part of the storage medium in each storage device are used as a slave storage area, wherein when data is written to the data storage system, the data is written to the master storage area of a certain storage device connected to a certain physical server in a certain subsystem, and is synchronized to the slave storage area of another storage device connected to anther physical server. |
