failover

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failover

(reliability)
Automatically switching to a redundant or standby server, system, or network upon the failure or abnormal termination of the currently-active server, system, or network (a "hot standby" or "warm standby"). Failover happens without human intervention. This feature is usually built-in to expensive systems which must be available continuously.

failover

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.
References in periodicals archive ?
* Think "high availability." This is essentially making sure you have redundant systems and fail-overs, eliminating single points of failure and reducing downtime.
When multiple paths are available, how will you know which processes get higher priorities when there is contention, or fail-overs?