15 тб фул и 6 по 1тб инки мержатся за полчаса в синтетик
We have multiple repositories, most of them with ReFS + deduplication. Synthetic Fulls take days to complete. Space savings are great, savings around 100-150% (Capacity 40TB, Used Space 79,4TB; Capacity 64TB, Used Space 165TB)
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We have REFS with dedupe and the Synthetic Fulls take 2 days to complete of a 7Tb Backup
(And the message in the logs is fast-clone ;) )