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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 the server level, failover automation usually uses a \"heartbeat\" system which connects two servers, either a separate cable (for example, RS-232 serial ports/cable) or a network connection. As long as a regular \"pulse\" or \"heartbeat\" continues between the main server and the second server, the second server will not bring its systems online. 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 fail over 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 previously in a state of failure back to its original, working state, and having the standby system go from functioning back to standby.The use of virtualization software has allowed failover practices to become less reliant on physical hardware; see also migration (virtualization)".
- Failover wikiPageID "796240".
- Failover wikiPageLength "3078".
- Failover wikiPageOutDegree "27".
- Failover wikiPageRevisionID "698727900".
- Failover wikiPageWikiLink Abnormal_end.
- Failover wikiPageWikiLink Application_software.
- Failover wikiPageWikiLink Category:Computer_networking.
- Failover wikiPageWikiLink Category:Fault-tolerant_computer_systems.
- Failover wikiPageWikiLink Computer.
- Failover wikiPageWikiLink Computer_network.
- Failover wikiPageWikiLink Computing.
- Failover wikiPageWikiLink Data_redundancy.
- Failover wikiPageWikiLink Disaster_recovery.
- Failover wikiPageWikiLink Fault_tolerance.
- Failover wikiPageWikiLink Fencing_(computing).
- Failover wikiPageWikiLink Hardware_virtualization.
- Failover wikiPageWikiLink High-availability_cluster.
- Failover wikiPageWikiLink High_availability.
- Failover wikiPageWikiLink Linux-HA.
- Failover wikiPageWikiLink Load_balancing_(computing).
- Failover wikiPageWikiLink Log_shipping.
- Failover wikiPageWikiLink Migration_(virtualization).
- Failover wikiPageWikiLink RS-232.
- Failover wikiPageWikiLink Redundancy_(engineering).
- Failover wikiPageWikiLink Reliability_engineering.
- Failover wikiPageWikiLink Safety_engineering.
- Failover wikiPageWikiLink Server_(computing).
- Failover wikiPageWikiLink Switchover.
- Failover wikiPageWikiLink System.
- Failover wikiPageWikiLink Systems_design.
- Failover wikiPageWikiLinkText "Failover".
- Failover wikiPageWikiLinkText "failed-over".
- Failover wikiPageWikiLinkText "failover policy".
- Failover wikiPageWikiLinkText "failover support".
- Failover wikiPageWikiLinkText "failover".
- Failover wikiPageWikiLinkText "fails over".
- Failover wikiPageWikiLinkText "hot backup".
- Failover wikiPageUsesTemplate Template:Compu-network-stub.
- Failover wikiPageUsesTemplate Template:Reflist.
- Failover subject Category:Computer_networking.
- Failover subject Category:Fault-tolerant_computer_systems.
- Failover type Class.
- 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 "Failover".
- Failover sameAs Q998767.
- Failover sameAs Fail-over.
- Failover sameAs Failover.
- Failover sameAs Tolerancia_frente_a_fallos.
- Failover sameAs Basculement_(informatique).
- Failover sameAs Feladatátvétel.
- Failover sameAs フェイルオーバー.
- Failover sameAs 장애_극복_기능.
- Failover sameAs m.03cqy_.
- Failover sameAs Аварийное_переключение.
- Failover sameAs Q998767.
- Failover sameAs 故障转移.
- Failover wasDerivedFrom Failover?oldid=698727900.
- Failover isPrimaryTopicOf Failover.