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Home » HA and DR

Category: HA and DR

Blog posts about the fundamental concepts and best practices related to high availability and disaster protection.

What is High Availability
HA and DR
September 25, 2026

What Is High Availability (HA)?

There are so many acronyms in the world today; sometimes it’s difficult to keep up with what they all mean, especially for everyday […]

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Redundancy vs. Resilience: What Real High Availability Demands
HA and DR
September 16, 2026

Grounded: What Missing Percona Live Amsterdam Taught Me About HA 

There is a cruel irony in sitting on an airport floor watching departure boards turn into a sea of red cancellations due to […]

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SIOS LifeKeeper vs. Red Hat High Availability
HA and DR
September 8, 2026

SIOS LifeKeeper vs. Red Hat High Availability Add-On:

How do you choose the right high availability solution for critical applications running on Linux? Both SIOS LifeKeeper for Linux and the Red […]

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Where should HA live?
HA and DR
August 24, 2026

Where Should HA “Live”? Matching Placement to Your Availability Targets

At a recent trade show, one question came up repeatedly: Where does SIOS LifeKeeper actually run? The answer is important. LifeKeeper is installed […]

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Why 99.99% Uptime Still Means Downtime
HA and DR
August 17, 2026

Why 99.99% Uptime Doesn’t Mean 100% Uptime

Have you ever looked closely at a container of hand sanitizer? “Kills 99.99% of germs” is usually presented prominently somewhere on the packaging. […]

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CLI vs. GUI for High Availability Clusters
HA and DR
August 3, 2026

Understanding the Role of the CLI in Highly Available Environments

When people think about high availability (HA), the first thought is technologies such as clustering, automated failover, replication, and disaster recovery. These capabilities […]

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HA and DR
July 20, 2026

High Availability for IT Resilience

Modern IT environments have never been more powerful, or more complicated. Organizations now run critical applications across hybrid clouds, distributed infrastructure, edge locations, […]

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HA and DR
June 19, 2026

Why High Availability and Disaster Recovery Are Now Business Priorities

Author: Benjamin Roy, Marketing Specialist at SIOS High availability and disaster recovery were once viewed mainly as IT responsibilities. They were important, but […]

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SIOS Background
HA and DR
June 17, 2026

Disaster Recovery Incident Response: The Discipline of Not Reacting Impulsively

A warning appears, services stop responding, tickets begin to pile up, and someone says, “We need to do something!” That instinct to begin […]

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High Availability and Disaster Recovery Everywhere: From General Concepts to Generating Solutions
HA and DR
June 12, 2026

High Availability and Disaster Recovery Everywhere: From General Concepts to Generating Solutions

Related Blogs / Background Reading Recommendations Within this blog, there is also the assumed familiarity with the LifeKeeper Resource Hierarchy framework and LifeKeeper […]

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