“Switchover”的意思、由来-开放百科全书

词条

Switchover

释义

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Switchover is the manual switch from one system to a redundant or standby computer server, system, or network upon the failure or abnormal termination of the previously active server, system, or network, or to perform system maintenance, such as installing patches, and upgrading software or hardware.^[1]

Automatic switchover of a redundant system on an error condition, without human intervention, is called failover. Manual switchover on error would be used if automatic failover is not available, possibly because the overall system is too complex.

References

1. ^ {{cite web |url=https://technet.microsoft.com/en-us/library/dd298067(v=exchg.150).aspx |title=Switchovers and Failovers |publisher=Microsoft |access-date=November 9, 2015 |quote=A switchover is a scheduled outage of a database or server that's explicitly initiated by an administrator, typically in preparation for performing a maintenance operation}}

2 : Engineering failures|Fault-tolerant computer systems

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