EC2 Scheduled Maintenance & Spot Rebalance Troubleshooter
Use the interactive troubleshooter below to identify your EC2 scheduled maintenance or Spot rebalance event by symptom, review the raw error log, understand the root cause, and apply the recommended fix.
🚨 Step 1: What specific error symptom are you experiencing?
Please click the most accurate description:
Quick Reference Table
| # | Scenario | Key Error Signal | Root Cause | The Fix |
|---|---|---|---|---|
| 1 | Active scheduled maintenance event for underlying host reboot | "Code" : "system-reboot", "State" : "active" | AWS scheduled the underlying host for maintenance requiring a system reboot. | N/A |
| 2 | Historical completed maintenance event for underlying host | "Code" : "system-reboot", "State" : "completed" | The previously scheduled maintenance on the underlying host has been completed by AWS. | N/A |
| 3 | Spot Instance rebalance recommendation signal received | {"noticeTime": "2020-10-27T08:22:00Z"} | Amazon EC2 emits a signal notifying that the Spot Instance is at an elevated risk of interruption. | N/A |