Failover definition
Failover is defined as a secondary system where standby computers automatically take over if the main one stops working.
An example of failover is a backup computer taking over saving a file if the main computer suddenly breaks down.
An example of failover is a backup computer system containing current copies of all data and applications.
noun
Invoking a secondary system to take over when the primary system fails. Up-to-date copies of all required data and applications are maintained on the secondary system in order to respond immediately if the primary system becomes unusable. Also called "fallover." See replication.
(computing, uncountable) 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.
noun
(computing, countable) An automatic switch to a secondary system on failure of the primary system.
The system experienced numerous failovers during the hurricane.
noun
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Other Word Forms
Noun
Singular:
failover
Plural:
failovers