1. A computer readable storage medium storing therein a switching program for use in a full duplex system including an operating node for processing a transaction that is a unit of a series of processes and a standby node for recovering the transaction processed by the operating node, the operating node and the standby node being independently operated, the switching program causing a computer to execute: determining, if a problem occurs in the operating node, a processing attribute and a processing state of the transaction processed by the operating node; executing a stop process to stop the transaction processed by the operating node depending on a determination result of the processing attribute and the processing state determined at the determining; and switching the standby node to a new operating node after the stop process is executed at the executing.