failover

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See also: fail over

English

Etymology

From fail +‎ over.

Pronunciation

  • Audio (UK):(file)

Noun

failover (countable and uncountable, plural failovers)

  1. (computing, countable) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
    • 2004, Gregory Nyberg, Robert Patrick, Paul Bauerschmidt, Mastering BEA WebLogic Server: Best Practices for Building and ..., page 638:
      Horizontal scaling gives you some failover and flexibility that you normally cannot get with only vertical scaling.
    • 2005, Proceedings, IEEE Computer Society, page 338:
      while Tungsten is not heavily redundant as these systems, the ability of Lustre to support some failover can be leveraged to eliminate single points of failure.
    • 2007 July 11, “Business continuity for SMEs”, in Computer Weekly:
      you have to make sure you can access it or ensure it can provide some failover," says Tarzey.

See also