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Fast copy of deduped file?

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Is there a way of quickly copying a file that has already been dedulicated?

Basically I have a deduped volume where I am storing a lot of nightly backups. All of these backups are then deduped saving me a huge amount of storage (dedup ratio is at about 85% currently) which is great

I want to be able to pick some of the nightly backups out and copy them to another area ... say a weekly backup area, or monthly backup area on the same volume

As the files have been deduped and are physically taking up a very small amount of disk space I was hoping that this process could be done very quickly. Some of the nightly backup files are around 1Tb in size but shrink down to nearly nothing when deduped

Using xcopy or robocopy seems to kick off an entire copy of the 1Tb content rather than just copying the references. Am I missing something here? Are there other tools I should be using?

Any pointers greatly appreciated


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