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Sparse Files Take a Long Time

Posted: Wed Jun 14, 2017 5:43 pm
by ghborrmann
I'm not sure whether this is a bug, but I was surprised recently when my backup of a 10GB partition took hours to complete. Using the -v option, I found that the time was virtually all taken up by three sparse files. Each of these is a sparse file of 1TB in size, although the actual size taken up on disk is less than 1 GB. The remainder of the partition (about 5 GB) seems to take less than 10 minutes. Is this expected?