Fail over method through disk take over and computer system...

Details Fail over method through disk take over and computer system... Fail over method through disk take over and computer system...

2007-07-30

2008-03-18

Baderman, Scott (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004110

Reexamination Certificate

active

07346800

ABSTRACT:
When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from the external disk device, task processing is taken over from the primary server to a server that is not executing a task in accordance with the following method. The method for taking over a task includes the steps of detecting that the primary server fails; searching the computer system for a server that has the same hardware configuration as that of the primary server and that is not running a task; enabling the server, searched for as a result of the search, to access the external disk device; and booting the server from the external disk device.

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patent: 2003/0217088 (2003-11-01), Takamoto
patent: WO 03027903 (2003-04-01), None
patent: WO 2004102535 (2004-11-01), None

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