Patent
1995-12-18
1997-05-27
Canney, Vincent P.
39518316, G06F 1100
Patent
active
056339992
ABSTRACT:
Server fault tolerance on local area computer networks is provided by novel workstation implemented software which detects failure of a primary file server and reroutes data storage activity routed via the primary file server, to be routed via an invention-provided secondary file server. Shared file management of multiple file servers or intelligent hosts supporting a single or common high availability data storage system, for example a RAID drive, enables server or host fault tolerance to be provided for such a single highly, reliable data-storage system. Cross-mirroring in such a multi-host, high availability data storage system, along with secondary write suppression, enables server fault tolerance to be provided without significant redundant hardware costs and without a single point of failure in the data storage access paths.
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Computer Architecture and Organization, Second Edition by John P. Hayes .COPYRGT.1988 by McGraw-Hill, Inc. pp. 664-666.
Clowes Richard F.
Tims Fred W.
Canney Vincent P.
Nonstop Networks Limited
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