π ~1 min read
Table of contents
Symptom & Impact
Applications fail to write logs or state data, and package operations break due to no free space.
Environment & Reproduction
Seen on long-running hosts with unchecked logs, container layers, snapshots, or oversized temp data.
Root Cause Analysis
Unbounded growth in log, cache, or artifact paths exhausts root volume and inode resources.
Quick Triage
Check top directories by size, inode consumption, and deleted-but-open files still holding space.
Step-by-Step Diagnosis
Use disk usage and file-handle analysis to identify dominant consumers and retention misconfigurations.
Solution – Primary Fix
Perform controlled cleanup, rotate logs properly, reclaim package cache, and extend storage if required.
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Solution – Alternative Approaches
Move heavy paths to dedicated volumes or enable remote logging and artifact lifecycle policies.
Verification & Acceptance Criteria
Free space and inode headroom remain above operational thresholds through normal workload cycles.
Rollback Plan
Restore deleted critical artifacts from backup and revert cleanup scope if services fail.
Prevention & Hardening
Implement quotas, retention policies, and proactive alerting for disk and inode saturation.
Related Errors & Cross-Refs
Commonly linked to journal growth, container overlay bloat, and failed package upgrades.
Related tutorial: View the step-by-step tutorial for Ubuntu 20.04 LTS.
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Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
Consult Ubuntu storage operations and log management best-practice documentation.
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