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why does duplicate take so long?


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When I duplicate (replacing entire contents) one drive to another, retrospect naturally takes some time to compare the volumes to see what needs to be copied. Suppose the drives contain 15 GB of files, but duringh a particular run it decides only 10 MB need to be copied. It very quickly copies the 10 MB, but then sits there for a **long** time saying "CLOSING" and displaying filename after filename (too fast to read of course). What is it doing and why does it take so long?

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It's most likely copying/checking permissions and building the snapshot. If you're doing the whole drive, it needs to check permissions on all files, not just those that it's copied in that session.

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Hi,

 

I guess that makes sense. Even though the last modification date on a file has not changed and, therefore, it doesn't have to be copied, it may have had its permissions changed...

 

I still wish there was a faster way...

 

 

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