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sic/knowledge/runbooks/disk-cleanup.md
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- Runbooks + SOPs under knowledge/ in English; README, docs, and INDEX.md in English
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title, tags, owner, updated
title tags owner updated
Disk Cleanup Runbook
disk
cleanup
storage
operations
sre 2026-06-12

Disk Cleanup Runbook

When to use it

  • disk usage > 85% alert on /tmp or /var.
  • Job failures with No space left on device.
  • Before scheduled node maintenance.

Procedure

  1. List candidate files: find /tmp -type f -mtime +7.
  2. Confirm none are in use by an active process.
  3. Run the disk-cleanup webhook to remove /tmp files older than 7 days.
  4. Re-verify disk usage.
  • disk-cleanup