![]() Running robocopy to copy Folder1 to Folder2, with the "/L" and "/V" command line options looks like this. And, the files named File2.txt, have the same timestamp in the source and destination folders, but have different ( Changed) file sizes. ![]() ![]() In this example, the files named File1.txt, are the same size in the source and destination folders, but has a Newer timestamp in Folder1. Here is a listing of the files: Directory of C:\folder1 So, for example using robocopy to copy an example fileset. This will show why robocopy has decided to copy (and skip) each file. Using the "/V" options tells robocopy to to provide Verbose details. Using the "/L" options tells robocopy to not do any actual copying, and only list what would otherwise be copied. In order to tell exactly what's happening to each file, you could run robocopy with the "/L" and "/V" command line options. If robocopy is copying a file and overwriting an existing file on the destination, then robocopy thinks that either the timestamo of the source file is before ( Newer) the timestamp of the destination file, or the file sizes are different ( Changed). Files in the other classes will not be copied, and will either be simply reported in the output and/or log, or completly ignored. Mismatched: is a file on one, and a directory on the other, in sourceīy default (and with the command line options you have given), robocopy will copy Lonely, Newer, and Changed files. Tweaked files: have same timestamp and size, but different attributes.Įxtra files: exist on destination but not source. Same files: have same timestamp, size, and attributes. Older files: have Older timestamp on source, (size and attributes: N/A).Ĭhanged files: have same timestamp, but different size (attributes: N/A). Newer files: have Newer timestamp on source, (size and attributes: N/A). When robocopy analyzes the files before copying, it classifies each file into one of these classes: Lonely files: exist on source but not destination. This could be due to differences in the time/timezone/DST settings on the two machines. The short answer is that when robocopy is copying these folders from one server to another, I suspect that it is seeing the timestamps differently than you expect, so it is deciding that the existing files on the destination are older than the same files on the source. ![]()
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