Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-12-21
2008-11-04
Maskulinski, Michael C (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S006130, C714S011000
Reexamination Certificate
active
07447933
ABSTRACT:
A storage system1including multiple slots for loading a block I/O interface controller, a file I/O interface controller, and any other kinds of interface controllers that are combined freely. The storage system1includes a management table that manages fail-over-enabled devices by grouping those devices in accordance with the interface type and the domain to which each device belongs; an information table that directs a fail-over procedure; and fail-over controlling means that takes over the processing of a failed interface controller belonging to a fail-over-enabled group. The fail-over system offers several modalities for monitoring failures, selecting takeover controllers and restoring functionality. Storage system1solves conventional problems by providing a system that can mount a plurality of file systems, and that resists multiple failures detected in a fail-over server.
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Japan Patent Office (JPO) office action dated Feb. 20, 2007 for JPO patent application JP2002-006873.
Kitamura Manabu
Matsunami Naoto
Oeda Takashi
Sonoda Kouji
Takata Yutaka
Hitachi , Ltd.
Maskulinski Michael C
Townsend and Townsend / and Crew LLP
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