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Ctrip Technology
Ctrip Technology
Nov 8, 2018 · Databases

Evolution of Ctrip's Database High‑Availability and Disaster‑Recovery Architecture (1999‑2018)

This article chronicles Ctrip's database high‑availability and disaster‑recovery evolution—from simple SQL Server mirroring in the early years, through SAN‑based clustering and AlwaysOn, to the adoption of MySQL, Redis, MHA, and a one‑click DR automation tool—highlighting architectural decisions, challenges, and operational lessons learned.

AlwaysOnDatabase HAMHA
0 likes · 10 min read
Evolution of Ctrip's Database High‑Availability and Disaster‑Recovery Architecture (1999‑2018)
Tencent Cloud Developer
Tencent Cloud Developer
Feb 22, 2017 · Databases

Building a SQL Server Failover Cluster on QCloud – Final Guide

This guide walks through building a SQL Server Failover Cluster on QCloud, covering architecture choices, network layout, required roles like DTC, step‑by‑step installation on two nodes, configuration of virtual IPs, and recommendations to prefer AlwaysOn or PaaS solutions for production reliability.

AlwaysOnDatabaseFailover Cluster
0 likes · 9 min read
Building a SQL Server Failover Cluster on QCloud – Final Guide
Architecture Digest
Architecture Digest
Sep 1, 2016 · Databases

Upgrading SQL Server 2008 R2 to 2014 and Implementing AlwaysOn High Availability: Process, Research, Testing, and Lessons Learned

This article shares a real-world case study of migrating a SQL Server 2008 R2 environment to SQL Server 2014, detailing the pre‑migration research, architecture redesign with AlwaysOn high‑availability, testing procedures, implementation steps, performance tuning, and common pitfalls encountered during the three‑month project.

AlwaysOnHigh AvailabilityPerformance Tuning
0 likes · 12 min read
Upgrading SQL Server 2008 R2 to 2014 and Implementing AlwaysOn High Availability: Process, Research, Testing, and Lessons Learned