failover

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English[edit]

Etymology[edit]

fail +‎ over

Pronunciation[edit]

  • (file)

Noun[edit]

failover (countable and uncountable, plural failovers)

  1. (Should we delete(+) this sense?) (computing, uncountable) 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”, Computer Weekly:
      you have to make sure you can access it or ensure it can provide some failover," says Tarzey.
  2. (computing, countable) An automatic switch to a secondary system on failure of the primary system.
    The system experienced numerous failovers during the hurricane.

See also[edit]