← 문제 라이브러리
Linux Beginner 3 min

No space left on device: the disk is full and files cannot be written

Use df and du to find what filled the disk.

무료
시나리오

The API server fails with 'No space left on device'. `df -h /` shows 50G used of 50G (100%); `du -sh /var/log/app` shows 38G.

먼저 볼 것
  • Understand the main investigation order for Linux incidents.
  • Separate user-facing symptoms from the deeper technical cause.
  • Describe both quick recovery actions and follow-up improvements.
점검 체크리스트
  1. Summarize the symptom and the current impact first.
  2. Check recent changes before collecting deeper diagnostics.
  3. Verify config, runtime state, and recovery path in order.
복구와 재발 방지

Write down the minimal recovery path first, then capture the improvements that reduce repeat incidents.

같이 보면 좋은 질문
Should I translate commands, logs, or product names?

No. Keep commands, logs, file names, APIs, and product names unchanged, then explain the reasoning in the selected UI language.

What should the answer focus on?

State the root cause, the evidence that supports it, and the safest recovery direction.

Why can the scenario remain in the original language?

The source scenario is treated as an incident artifact. Guidance, checklist, hints, and explanations can be localized around it.