Data processing method in double-control device and double-control storage device

The invention relates to a data processing method in a double-control device and a double-control storage device.The double-control device comprises a first controller, a second controller and a plurality of storages, and the method comprises the steps that under the condition that the first controller serves as a main controller of the double-control device, the second controller serves as a main controller of the double-control device; the first controller unloads at least one memory from the plurality of memories and sends information of the at least one memory to the second controller; and under the condition that the first controller is determined to be abnormal, the second controller is switched to a main controller of the double-control equipment, and data to be stored are stored in the at least one memory. 本申请涉及双控设备中数据处理方法及双控存储设备，其中，所述双控设备中包括第一控制器、第二控制器以及多个存储器，所述方法包括：在作为所述双控设备的主控制器的情况下，所述第一控制器从所述多个存储器中卸载至少一个存储器，并将所述至少一个存储器的信息发送至所述第二控制器；在确定所述第一控制器发生异常的情况下，所述第二控制器切换为所述双控设备的主控制器，并将待存储的数据存储至所述至少一个存储器。