Hey, I got another question for ZFS developers -
Given: If you enable dedup and write a bunch of data, and then disable dedup, the formerly written data will remain dedup'd. Given: The zdb -s command, which simulates dedup to provide dedup statistics without actually enabling dedup. Question: Is it possible, or can it easily become possible, to periodically dedup a pool instead of keeping dedup running all the time? It is easy to imagine some situations where idle or maintenance windows might be appropriate to dedup a pool, but the performance and/or resource requirements of keeping dedup running all the time might not be desirable. In some situations.
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