INFORMATION PROCESSING DEVICE, COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM FOR GENERATING SNAPSHOT, AND METHOD THEREFORE

An information processing device includes a storage unit which stores information, and a processor which performs processes including generating a first snapshot of the information, and storing first pointer information indicating a storage position of the information associated with the first snapshot in the storage unit, monitoring completion of a writing process on the information when the first snapshot is generated during the writing process, generating a second snapshot of the information when the completion of the writing process is detected, and storing, in the storage unit, second pointer information indicating a storage position of the information associated with the second snapshot; and replacing the first pointer information stored in the storage unit with the second pointer information.