Time triggered storage policy transitions

Registered by Paul T Burke

With the introduction of Erasure Coding, it would be very beneficial to have an object move from a replica based storage policy to an erasure coded storage policy in an automated way where the trigger is a time component. In this context, an object can be persisted with a policy of 3 replicas and after some duration of time (when the content becomes cold) it would transition from the 3 replica footprint on the storage cluster to one EC copy.

Time triggered policy transitions have many applications, however from a cluster storage utilization perspective being able to transition between replica and EC based storage policies after a designated time duration is very powerful.

A natural evolution of being able to transition through storage policies would then be to trigger based on system or user defined meta data.

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Drafter:
Paul T Burke
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Needs approval
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New
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