Does rsync copy if only perm changed?

Moshe Jacobson moshe at
Thu Jun 9 23:14:03 GMT 2005

On Thu, 9 Jun 2005, CompuGenic wrote:

> I have a 150GB directory tree that I need to rsync nightly. Periodically I 
> adjust many permissions on this source tree.
> My question is whether rsync will backup the whole source tree if only the 
> permissions changed.

If you don't specify --whole-file/-W, rsync will do checksums on
either end to determine if the file is still unchanged, and then it
will adjust the permissions on the other side.

So no, it will not re-transfer the entire file.


Moshe Jacobson -- -- AIM: Jehsom
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