What is High Availability (HA)? Definition and Guide - TechTarget
High availability (HA) is the ability of a system to operate continuously for a designated period of time even if components within the system fail. A highly available system meets an agreed-upon operational performance level by eliminating single points of failure.
What is High Availability? | IBM
2024年7月29日 · High availability (HA) is a term that refers to a system’s ability to be accessible and reliable close to 100% of the time. Highly available systems must be able to withstand outages, including scheduled downtime and site-wide disasters. Typically, HA systems meet two characteristics: They must be available for use close to 100% of the time.
High availability - Wikipedia
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.
What Is High Availability? - Cisco
High availability means that an IT system, component, or application can operate at a high level, continuously, without intervention, for a given time period. High-availability infrastructure is configured to deliver quality performance and handle different loads and failures with minimal or zero downtime. What are high-availability clusters?
What is High Availability? {How HA Works & How To Achieve It}
2022年8月18日 · This article explains the value of maintaining high availability (HA) for mission-critical systems. Read on to learn what availability is, how to measure it, and what best practices your team should adopt to prevent costly service disruptions.
What Is High Availability? Definition & How It Works | Spanning
2023年3月21日 · High availability (HA) is a process that eliminates the single points of failure to ensure that an IT application or system can operate at a high level, continuously, even if one of the IT components it depends on, such as a server, fails.
What Is High Availability (HA)? Why Your Business Needs to Plan …
2021年3月23日 · High Availability (HA) is the practice of minimizing all server downtime, ideally down to zero. It incorporates many techniques, such as auto-scaling, real-time monitoring, and automated blue/green update deployments.
HA | English meaning - Cambridge Dictionary
HA definition: 1. used to express satisfaction that something bad has happened to someone who deserved it, or to…. Learn more.
High-availability cluster - Wikipedia
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.
Ha Definition & Meaning - Merriam-Webster
The meaning of HA is —used especially to express surprise, joy, or triumph. How to use ha in a sentence.