Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2009-02-24
2011-12-06
Decady, Albert (Department: 2121)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S003000, C714S011000, C714S014000
Reexamination Certificate
active
08074098
ABSTRACT:
An object of the present invention is to ensure, in an information processing system including a plurality of server apparatuses coupled to one another, reliability and availability thereof when failover is executed. In an information processing system, which includes a plurality of server apparatuses coupled to one another, and a management server coupled to the server apparatuses, and is configured to, when detecting occurrence of a failure in an active server apparatus of the server apparatuses, execute failover from the active server apparatus to a standby server apparatus of the server apparatuses after turning on a power supply of the standby server apparatus whose power supply having been turned off, the management server is enabled to: acquire information on the standby server apparatus after turning on the power supply of the standby server apparatus; turn off the power supply of the standby server apparatus after acquiring the information; and, based on the acquired information, judge whether or not failover to the standby server apparatus can be executed. Additionally, an acquisition method of the information can be selected in accordance with an allocated status of the standby server apparatus.
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Fukuyama Masayuki
Masuda Kouji
Nakayama Jun
Brundidge & Stanger, P.C.
De'cady Albert
Hitachi , Ltd.
Whittington Anthony
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