A storage system includes a plurality of storage devices in a storage chassis and configured to store objects, an Ethernet switch in the storage chassis, a Baseboard Management Controller (BMC) connected to the storage devices, and a memory connected to the BMC. The plurality of storage devices include a query storage device and a candidate storage device, and the storage devices are connected to each other via the Ethernet switch in the storage chassis. The memory or the query storage devices is configured to store metadata corresponding to the objects stored in the candidate storage device.