SMB 2.0 and 2.1, the use of durable file handles allows the session to reconnect without any impact to the application: SMB 2 addresses this need with durable handles: file handles that are preserved ...SMB 2.0 and 2.1, the use of durable file handles allows the session to reconnect without any impact to the application: SMB 2 addresses this need with durable handles: file handles that are preserved by the client and can be used to reestablish disconnected sessions. Note: Although durable handles are nondisruptive for volume moves and LIF migrations, they are not mirrored across nodes, and a failover (or an upgrade) of a node results in the lock state being lost.
