Matt McCutchen matt at
Wed Sep 10 03:27:34 GMT 2008

On Mon, 2008-09-08 at 23:06 -0400, Franck Y wrote:
> I am building another backup server.
> I want to copy the data to be able to have a perfect copy on both
> server.
> If i tar the folder (that i want to sync) on my current computer and i
> move it to the new one and untar it.
> When i will sync it first, will he download again the data ?

No.  tar preserves mtimes of files by default, and as the second
paragraph of the rsync man page says, rsync decides which files need a
transfer based on mismatches in size and mtime.


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