Client/server system and computer system

Details Client/server system and computer system Client/server system and computer system

1997-10-28

1999-09-28

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 15, G06F 1100

Patent

active

059580623

ABSTRACT:
Even when a client unit 2 can not connect with a server unit 1, by comparing a system information held by a system information file 23 with the present status, a self-diagnosis is performed by a self-maintenance system file 24 of the client unit 2 itself, and as a result, when abnormality has occurred, the client unit 2 independently carries out recovering processing in accordance with its own backup file 25. When it is possible to connect with the server unit 1, the necessary information is obtained from the server unit 1 to carry out recovering processing and system update processing. By this processing, the following problem is settled: In case of an obstacle to the client in the conventional client/server system which is based on the premise of it being normally connectable with the server, when it becomes impossible to connect to a server, the client is prevented from downloading from the server the files necessary for maintenance processing.

REFERENCES:
patent: 5634052 (1997-05-01), Morris
patent: 5748882 (1998-05-01), Huang
patent: 5765151 (1998-06-01), Senator
patent: 5768568 (1998-06-01), Inui et al.
patent: 5787244 (1998-07-01), Hiratsuka et al.
patent: 5799147 (1998-08-01), Shannon

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