English Explanatory Dictionary

failover

English dictionary entry

Meanings

noun

An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.

Pronunciation

en-uk-failover.ogg

Word forms

failover failovers

Etymology

Deverbal from fail over.

Related words

failback fail over hot spare

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