TutorialsJuly 10, 2026·5 min read
Failover: Automatic Backup Server Failover
Primary goes down, backup takes over. Automatically.
How It Works
All traffic → primary. Primary fails → traffic to backup. Primary recovers → traffic returns.
When to Use
- Primary + hot backup
- Disaster recovery
- Staging as backup
Best Practices
1. Always enable health checks
2. Threshold of 2-3 failures
3. Test failover regularly
#failover#disaster recovery#high availability
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