Enable legal hold (WORM object lock) on MinIO objects (mc legalhold set)

domain: min.io · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗

Documented steps

  1. Ensure the bucket has object locking enabled: create with mc mb --with-lock, or enable on an existing bucket with mc retention set --default (possible since RELEASE.2025-05-20T20-30-00Z).
  2. Lock a single object: mc legalhold set ALIAS/BUCKET/object.txt
  3. Lock all objects in a bucket/prefix: mc legalhold set --recursive ALIAS/BUCKET
  4. Lock a specific version (requires versioning): mc legalhold set --version-id <version-id> ALIAS/BUCKET/object.txt
  5. Lock the versions that existed at a point in time: mc legalhold set --rewind "2025.03.24T10:00" ALIAS/BUCKET

Known gotchas

Related routes

Enable legal hold (WORM object lock) on MinIO objects (mc legalhold set)
min.io · 5 steps · unrated
Enable indefinite legal hold (WORM) on MinIO objects with mc legalhold set
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Apply or clear a legal hold on MinIO objects with mc legalhold
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