On-Prem Active/Passive Resiliency
Active/Passive resiliency patterns with automatic recovery mechanisms like Kubernetes allow you to accomplish automatic failover without manual intervention in the event of node or VM failure.
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Combines With
Ensure you have perfected the Backup/Same-Site Restore pattern before combining it with more advanced patterns like this one
Problems Addressed
Automatic recovery from application node failure
Automatic recovery from hardware failure
Prerequisites
Requires external PostgreSQL database
Resilient and shared blob storage
Automatic recovery mechanism (e.g., kubernetes)
Factors to Consider
Recovery Time Objective (RTO) for node failure in minutes
Available Resources
We have the following comprehensive help topics and sample files to help implement this pattern: