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high availability

   Also found in: Acronyms, Wikipedia 0.56 sec.

Also called "RAS" (reliability, availability, serviceability) or "fault resilient," it refers to a multiprocessing system that can quickly recover from a failure. There may be a minute or two of downtime while one system switches over to another, but processing will continue. This is not the same as fault tolerant, in which redundant components are designed for continuous processing without skipping a heartbeat.

High availability also refers to being able to service a component in the system without shutting down the entire operation. See clustering and hot fix.



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a leading provider of proven enterprise IT reliability solutions for business continuity, has introduced the next generation of its high availability solution SteelEye LifeKeeper for mySAP Business Suite, the first and only single solution for ensuring high availability of mySAP Business Suite on Linux.
MYSAP BUSINESS SUITE AVAILABLE ON LINUX by Online Product News
Rainfinity recently introduced the RainWall High Availability Platform, the first single solution security administrators can use to ensure non-stop, scalable performance for all their Internet gateway applications.
Rainfinity debuts integrated High Availability Platform by EDP Weekly's IT Monitor
to Offer Marathon's High Availability Solutions, Services and Support; Will Coordinate with Dell Japan on Marathon Sales Initiatives in the Country
Marathon Announces Distributor Agreement for Japan by Business Wire
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