Abstract: A storage array, a storage system, and a data access method. A data access method of a storage device includes: transferring data input from a user interface chip to a non-volatile storage device through a peripheral component interconnect express (PCIE) link, where the user interface chip and the non-volatile storage device are connected to the PCIE link, and the non-volatile storage device includes a memory and a non-volatile storage medium; writing the data to the memory of the non-volatile storage device; and writing the data written in the memory of the non-volatile storage device to the non-volatile storage medium. The technical solutions provided by the embodiments of the present disclosure are advantageous for reducing occupation of PCIE links due to data access and improving system performance.

Abstract: A storage array, a storage system, and a data access method. A data access method of a storage device includes: transferring data input from a user interface chip to a non-volatile storage device through a peripheral component interconnect express (PCIE) link, where the user interface chip and the non-volatile storage device are connected to the PCIE link, and the non-volatile storage device includes a memory and a non-volatile storage medium; writing the data to the memory of the non-volatile storage device; and writing the data written in the memory of the non-volatile storage device to the non-volatile storage medium. The technical solutions provided by the embodiments of the present disclosure are advantageous for reducing occupation of PCIE links due to data access and improving system performance.

Abstract: A flow control method (200) is suitable for use with a synchronous modem (101). The modem clocks data signals (107) from the terminal under control of a clock signal (109) supplied by the modem. The clock signal operates at a clock rate. The modem stores the data signals in a buffer (111), and thereupon transmits the data signals to a channel, the channel operating at a channel rate. When the quantity of data signals stored in the buffer exceeds a maximum threshold, the modem removes the clock signal from the terminal, thereby interrupting the flow of data signals from the terminal. When the quantity of data signals stored in the buffer is less than a minimum threshold, the modem again applies the clock signal to the terminal, thereby restoring the flow of data signals from the terminal.