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- Failover abstract "In computing, failover is switching to a redundant or standby computer server, system, hardware component or network upon the failure or abnormal termination of the previously active application, server, system, hardware component, or network. Failover and switchover are essentially the same operation, except that failover is automatic and usually operates without warning, while switchover requires human intervention.Systems designers usually provide failover capability in servers, systems or networks requiring continuous availability -- the used term is High Availability -- and a high degree of reliability.At server level, failover automation usually uses a "heartbeat" cable that connects two servers. As long as a regular "pulse" or "heartbeat" continues between the main server and the second server, the second server will not initiate its systems. There may also be a third "spare parts" server that has running spare components for "hot" switching to prevent downtime. The second server takes over the work of the first as soon as it detects an alteration in the "heartbeat" of the first machine. Some systems have the ability to send a notification of failover.Some systems, intentionally, do not failover entirely automatically, but require human intervention. This "automated with manual approval" configuration runs automatically once a human has approved the failover.Failback is the process of restoring a system, component, or service in a state of failover back to its original state (before failure).The use of virtualization software has allowed failover practices to become less reliant on physical hardware; see also teleportation (virtualization)".
- Failover wikiPageID "796240".
- Failover wikiPageRevisionID "592706852".
- Failover hasPhotoCollection Failover.
- Failover subject Category:Computer_networking.
- Failover subject Category:Fault-tolerant_computer_systems.
- Failover type Artifact100021939.
- Failover type ComputerSystem103085915.
- Failover type Fault-tolerantComputerSystems.
- Failover type Instrumentality103575240.
- Failover type Object100002684.
- Failover type PhysicalEntity100001930.
- Failover type System104377057.
- Failover type Whole100003553.
- Failover comment "In computing, failover is switching to a redundant or standby computer server, system, hardware component or network upon the failure or abnormal termination of the previously active application, server, system, hardware component, or network.".
- Failover label "Basculement (informatique)".
- Failover label "Failover".
- Failover label "Failover".
- Failover label "Tolerancia a fallos".
- Failover label "Аварийное переключение".
- Failover label "フェイルオーバー".
- Failover label "故障转移".
- Failover sameAs Failover.
- Failover sameAs Tolerancia_a_fallos.
- Failover sameAs Basculement_(informatique).
- Failover sameAs フェイルオーバー.
- Failover sameAs 장애_극복_기능.
- Failover sameAs m.03cqy_.
- Failover sameAs Q998767.
- Failover sameAs Q998767.
- Failover sameAs Failover.
- Failover wasDerivedFrom Failover?oldid=592706852.
- Failover isPrimaryTopicOf Failover.