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EC2 Filesystem & Block Device Failure Diagnostics

Data strictly extracted from official AWS troubleshooting documentation. Click the symptom below to get the targeted CLI remediation commands.

🚨 Step 1: What specific error symptom are you experiencing?

Please click the most accurate description:


Quick Reference Table

#ScenarioKey Error SignalPrimary Fix
1I/O Error (Block Device Failure)Buffer I/O error on device / end_request: I/O errorTerminate the instance and launch a new instance
2Broken Distributed Block DeviceIO ERROR: neither local nor remote diskTerminate the instance and launch a new instance
3File System Not Foundfsck.ext3: No such file or directoryN/A
4General Error Mounting FilesystemsGeneral error mounting filesystemsN/A