VICIdial Disaster Recovery & High Availability Guide

It's 2:14 AM. Your phone is buzzing. The database server just died — a failed RAID controller, a bad firmware update, doesn't matter. What matters is that 200 agents across three time zones are logging in at 8 AM, your dialer manager is already texting you, and every second of downtime is burning revenue. You open your laptop and realize you don't have a plan. This guide is that plan. We've been in that 2 AM scenario more times than we'd like to admit — both on our own infrastructure and rescuing other operators who called us in a panic. We've watched a $40 RAID battery destroy an entire day's production. We've seen a single DROP TABLE command typed into the wrong terminal wipe out a campaign mid-shift. And we've seen operators who had proper DR in place recover from a total server loss in under 15 minutes while their agents never even noticed. The difference between a minor hiccup and a catastrophic outage isn't luck. It's preparation. This guide covers everything: MySQL replication t