TARGET DISC MEMORY ACCESSING METHOD, DISC CAPACITY EXTENSION SYSTEM AND DISC ARRAY Russian patent published in 2010 - IPC G06F13/16 G06F12/06 

FIELD: information technology.

SUBSTANCE: after receiving a command or data, the processor in a master disc array sends a command or data to a PCIe switching module in the master disc array; the PCIe unit of the master disc array sends the received command or data to a control module in the corresponding disc array in accordance with the address of the target disc memory indicated in the command or data; the control module in the corresponding disc array sends the received command or data to the target disc memory which is directly connected to the control module. The present invention also discloses a master disc array and a slave disc array.

EFFECT: reduced load on the master disc array control module.

18 cl, 8 dwg