A storage system includes a first storage device and a second storage device, a first programmable chip of the first storage device and a second programmable chip of the second storage device are connected in series, and the second storage device is in a sleep state. The first programmable chip sends a wakeup instruction to the second programmable chip to instruct the second storage device to enter a working state. In this way, the second storage device is switched from the sleep state to the working state by using a programmable chip of the storage device.