Disclosed is a method, system, and program for locking management. A command is received that specifies an operation identifier. It is determined whether the command is associated with a transaction using the operation identifier. If it is determined that the command is associated with a transaction, operating at a transaction level of locking.Further disclosed is a method, system, and program for lock management. Under control of a lock manager, lock request queuing is performed, heartbeat functions are performed, and state information is maintained.