Technology
Outage Day in Cloud Architecture: A Real DNS Failover War Story
A real war story about an outage day in cloud architecture and why DNS failover strategies matter.
#failover
3 posts found.
Tutorials
PostgreSQL HA: Failover Runbook with Patroni
Walks through quorum, replication lag, switchover/failover testing and recovery steps when running PostgreSQL high availability with Patroni, in runbook form.
Tutorials
Fast Failover with BFD on FRR: A Practical Guide
An approach to enabling BFD with FRR (BGP/OSPF) to generate fast signals when the link looks up but traffic isn't flowing (blackhole).