Definition of failover in English:



  • [mass noun] A procedure by which a system automatically transfers control to a duplicate system when it detects a fault or failure.

    [as modifier] ‘the second server went into failover mode within a minute’
    • ‘A primary path failure does not necessarily cause loss of connection unless path failover software is either not implemented or malfunctions.’
    • ‘If the primary server crashes, then the high availability operating system running failover software will reschedule its task to the standby server.’
    • ‘For users who like to stay current with operating system releases, this means testing of path failover software may unknowingly take place onsite rather than in the vendor's lab.’
    • ‘All services are configured to failover automatically to the slave in case of a failure on the master node.’
    • ‘The servers can be arranged behind $50,000 load-balancing and failover systems to swap out servers automatically upon failure.’