FILE SERVER, LOG MANAGEMENT SYSTEM FOR FILE SERVER, AND LOG MANAGEMENT METHOD FOR FILE SERVER

摘要

PPROBLEM TO BE SOLVED: To provide a log management system capable of easily finding the illicit act of a manager with respect to log information. PSOLUTION: The file server 1 which can be constituted also as a NAS (Network Attached Storage) device is virtual OSs 1A are provided for each user, respectively. Each virtual OS 1A functions as a virtual NAS. The virtual OS 1A and a management OS 1B can exchange the information regarding the log information via an information exchange part 1C constituted as a kernel. The log information D1 generated in the virtual OS 1A is transmitted to a first log management device 3 via a first communication network CN1 and transmitted also to a second log management device 4 via a second communication network CN2. The respective networks CN1, CN2 are separated. Whether or not there is the illicit act to the log information is detected by performing multiple management of one piece of log information by the separated management devices 3, 4. PCOPYRIGHT: (C)2007,JPO&INPIT