failover

Etymology

Definitions

1. 1

   An automatic switch to a secondary system on failure of the primary system, such as a…

   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.

   • Horizontal scaling gives you some failover and flexibility that you normally cannot get with only vertical scaling.
   • 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.
   • you have to make sure you can access it or ensure it can provide some failover," says Tarzey.

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