Access method, storage node and data center

Provided are an access method, a storage node and a data center, relating to the technical field of IT, the method comprising: a storage node can actively establish a connection with a virtual instance running in a computing node, and actively synchronize target information for accessing a target file to the virtual instance under the connection, according to the method and the device, the target information is acquired, so that the computing node can utilize the target information to perform data access from the storage node, the storage node can support multiple tenants of the computing node to perform shared locking access on the target file in the same file directory, and private clients can be deployed on the computing node.