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failover

   Also found in: Wikipedia 0.14 sec.

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.

(reliability)failover - 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.
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Automatic Multi-path Failover with the iSCSI Initiator
Continuous data access: the 99.999 challenge facing network ... by Sante, Zophar / Computer Technology Review
Organizations that require the extra security of cluster failover for the information repository are also expected to deploy LiveTime Support Desk and LiveTime Help Desk with Ingres.
LiveTime Software adds Ingres open source database support to its ... by EDP Weekly's IT Monitor
an industry leading Linux solutions and services company, has announced that their Convolo cluster software, which insures high- availability for business-critical applications while maintaining data integrity, now provides complete failover capability for IBM's DB2 Universal Database Enterprise Edition.
CONVOLO CLUSTER SOFTWARE PROVIDES 24/7 SUPPORT by Online Product News
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