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High-availability clusters (also known as HA clusters, fail-over clusters) are groups of computers that support server applications that can be reliably utilized with a minimum amount of down-time. They operate by using high availability software to harness redundant computers in groups or clusters that provide continued service when system ...
High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [ 1 ] There is now more dependence on these systems as a result of modernization.
"High-availability clusters" (also known as failover clusters, or HA clusters) improve the availability of the cluster approach. They operate by having redundant nodes, which are then used to provide service when system components fail. HA cluster implementations attempt to use redundancy of cluster components to eliminate single points of ...
Well one thing you have high-availability clusters or you have the more expensive and more complex fault-tolerance servers.” [9] Telecommunications : High Availability Software is an essential component of telecommunications equipment since a network outage can result in significant loss in revenue for telecom providers and telephone access ...
The Linux-HA (High-Availability Linux) project provides a high-availability solution for Linux, FreeBSD, OpenBSD, Solaris and Mac OS X which promotes reliability, availability, and serviceability (RAS). [1] The project's main software product is Heartbeat, a GPL-licensed portable cluster management program for high-availability clustering. Its ...
Microsoft Cluster Server (MSCS) is a computer program that allows server computers to work together as a computer cluster, to provide failover and increased availability of applications, or parallel calculating power in case of high-performance computing (HPC) clusters (as in supercomputing).
Veritas Cluster Server (rebranded as Veritas Infoscale Availability [1] [2] and also known as VCS and also sold bundled in the SFHA product) is high-availability cluster software for Unix, Linux and Microsoft Windows computer systems, created by Veritas Technologies.
Pages in category "High-availability cluster computing" The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes. ...