Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-03-29
2005-03-29
Baderman, Scott (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S047300, C709S208000
Reexamination Certificate
active
06874103
ABSTRACT:
A system includes a plurality of inter-connected servers coupled to a storage device. The servers are programmed so that one server functions as a primary and another server(s) functions as a backup slave server. When the slave detects that the primary has failed, the slave performs a number of actions to take over run-time operation for the primary. Each server includes a mass storage device controller and executable code that permits the slave to detect the primary's failure and take over for the primary. Such code is included in the mass storage device controller, not in the system ROM as in conventional systems. Because the system ROM is not burdened with code that is specific to the mass storage device controller, the system ROM need not be upgraded and reflashed each time a new mass storage device controller is inserted into the slave computer.
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Baderman Scott
Damiano Anne L.
Hewlett--Packard Development Company, L.P.
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