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Swarm Storage 12.0 or above must be running in order to use this feature because it relies on the Swarm lifepoints feature to prevent deletion of locked objects until a certain date has passed. Object locking is fully implemented starting with Gateway 7.6.
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Applications can impose user defined lifepoints together with object locksEven though Gateway relies on lifepoints, it remains possible for applications to impose user defined lifepoints on objects together with object locks. Gateway ensures verifies correct semantics in all cases without any additional behavior needed from the application side. In case of any conflicts between user defined lifepoints and object locks, the object lock always wins. |
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Differences Between S3 and Swarm's Implementation of Object Locking
In S3, a DELETE request results in a delete marker, shadowing the locked object version. Swarm's implementation deviates from this logic – it rejects any DELETE requests for indelible objects with an HTTP 403 Forbidden error.
Gateway checks if the object is locked when it gets a HTTP 403 Forbidden error from Swarm. Gateway simulates the S3 behavior creating a new (unlocked) object version, immediately followed by a DELETE, thus creating a delete marker.
For SCSP, use a configuration flag to pick the desired behavior:
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