Emergency Maintenance on US4
Last updatepostmortemOct 30 · 14:32 UTC
Service Disruption - Monitoring Platform Unavailability US4 Cluster
Root Cause Analysis
Duration of the incident
Discovered: Oct 25, 2026 11:33 - UTC
Resolved: Oct 25, 2026 14:00 - UTCCustomer impact
Clients experienced a total loss of access to the web interface and a suspension of network monitoring services for approximately 2.5 hours.
Cause
During scheduled maintenance, a procedural oversight affected a service configuration in the US4 region.
Effect
The unplanned change caused instability in the US4 cluster, making the user interface and monitoring capabilities unavailable.
Future consideration(s)
- Review the maintenance procedure and clarify the checks required before changes are made.
- Enhance monitoring visibility for the on-call team to ensure faster identification of regional service degradation.
Reported by Auvik Networks Inc. on their status page.
