High Availability Articles

Say Goodbye to Single Point of Failure! Practical Implementation of Linux Dual NIC Bonding for Automatic Fault Tolerance

2026-07-16 by boardor

In a production environment, the network is the “lifeline” of the server. Just think about it: a database server that handles massive transactions can collapse instantly due to a loose network cable or a malfunctioning network card—leading to user complaints and management accountability.Working overtime until dawn… This is not science fiction; it is the reality … Read more

A Comprehensive Guide to Linux Dual NIC Bonding Configuration (CentOS 7/8) for High Availability Servers

2026-07-01 by boardor

Hello everyone, I am Derek, focusing on practical operations, cutting-edge technology analysis, and career growth stories. If you are interested in “practical operation skills”, “popular interpretations of new technologies”, or “real workplace advancement experiences”, feel free to follow and share, let’s avoid detours on the technical road together~ In a production environment, network connectivity is … Read more

Offline Deployment of Multi-Master Node K8s Cluster on ARM64 Architecture Servers

2026-06-20 by boardor

1. Current Environment Server: TaiShan 2280 V2 Operating System: openEuler 24.03 SP2 Deployment Environment: 5 virtual machines (3 masters + 2 nodes) deployed on the server system via qemu+kvm — For virtual machine deployment, refer to the previous article: “Deploying Virtual Machines on openEuler” K8s Version: 1.33.0 2. Cluster Network Planning K8S Cluster Role IP … Read more

Virtualization Operations Avoidance Guide: 10 Practical Dimensions to Ensure Business Stability

2026-06-04 by boardor

Virtualization is the core support of enterprise IT, but failures often stem from overlooked details. This article breaks down 10 practical dimensions, teaching you to use “proactive operations” instead of “passive firefighting.” 1. Cluster Status: Stabilizing the “Framework” The cluster is the command center; anomalies in vCenter/SCVMM can lead to resource scheduling failures. Practical Check: … Read more

Enterprise-Level Ansible High Availability Cluster and Disaster Recovery Solutions in Practice

2026-05-30 by boardor

1. Introduction In today’s rapidly evolving technological landscape, automated operations and maintenance have become key factors for enterprises to enhance efficiency and competitiveness. As business scales expand and system complexities increase, ensuring the efficiency and reliability of operations and maintenance has become a significant challenge for every team. Ansible, as a leading open-source automation platform, … Read more

oVirt 4.4.3 Open Source Virtualization Platform: High Availability (Only Shared Storage Supports High Availability, Local Storage Does Not)

2026-05-25 by boardor

Hello everyone, I am Chen Jianhao, and everyone calls me Engineer Chen. I usually enjoy pondering technical issues and organize the pitfalls and fragmented thoughts I encounter at work into articles. Occasionally, I also share some work insights and life reflections. oVirt 4.4.3 Open Source Virtualization Platform: High Availability (Only shared storage supports high availability, … Read more

Summary of Related Articles on the oVirt Open Source Virtualization Platform

2026-05-17 by boardor

Hello everyone, I am Chen Jianhao, and I am often called Engineer Chen. I enjoy pondering technical issues and organizing the pitfalls and fragmented thoughts I encounter at work into articles. Occasionally, I also share insights from my work and life experiences. Summary of Related Articles on the oVirt Open Source Virtualization Platform Introduction to … Read more

76% Performance Improvement! Best Practices of MogDB on zData X Appliance

2026-04-29 by boardor

Abstract This best practice utilizes the zData X appliance to run the MogDB database. The zData X configuration is 2 (compute nodes) + 3 (storage nodes) + 1 (management node), and MogDB is version 3.0.2. By executing TPC-C benchmark tests, simulating hard disk failures, and performing out-of-the-box deployments, tests were conducted to validate performance, availability, … Read more

Design and Application of High Availability Database under All-Flash Virtualization Architecture at Sanxia University Renhe Hospital

2026-04-11 by boardor

Introduction The hospital’s business system is a typical OLTP + OLAP application. Due to the special nature of medical services, there are high requirements for system performance and availability. The hospital business system must operate continuously 7×24 hours, and it is highly sensitive to response time. System downtime cannot affect medical services or patient care, … Read more