Patent ID: 7844768

Claim:
A blade server system comprising: a back plane having a plurality of slots; a blade server and a chassis management module inserted respectively in said slots; a plurality of chassis each accommodating said back plane, said blade server, and said chassis management module; and at least one housing accommodating said plurality of chassis; wherein said back plane having a storage unit storing a housing number for identifying said housing, in-housing chassis numbers for identifying the chassis in said housing, and in-chassis slot IDs for identifying said slots; when said blade server is inserted into the corresponding slot, said blade server acquires the in-chassis slot ID for identifying the slot in which said blade server is inserted from said back plane, and holds the acquired in-chassis slot ID; when said chassis management module is inserted into the corresponding slot, said chassis management module acquires said housing number and said in-housing chassis numbers from said back plane, holds the acquired housing number and the acquired in-housing chassis numbers, and manages the blade server which is inserted in the corresponding slot based on said in-chassis slot ID through said back plane; and one of the chassis management modules accommodated respectively in said chassis manages the other chassis management modules based on said housing number and said in-housing chassis numbers.