rsync *Still* Copying All Files?

Martin Pool mbp at
Thu Jan 3 18:42:58 EST 2002

On 20 Dec 2001, "Mack, Daemian" <DMack at> wrote:
> > The question is, why does it work?  Are you indeed copying 
> > between two NTFS
> > filesystems, with rsync running under Windows & cygwin on 
> > both sides?  I
> > would have thought that would result in matching timestamps 
> > granularity on
> > both sides so rsync would always end up comparing the same values.
> Now that you've jogged my memory, I remember coming across a Knowledge Base
> article around a year ago that discussed this filesystem timestamp
> granularity.  I can't recall the reason for it, or the set of circumstances
> under which it's an issue, but maybe this article touches on the issue long
> enough to be of relevance:
> My hunch is that this is happening because I'm dealing with NTFS5 on Win2K
> and NTFS4 on NT4.

I think there are some NT APIs that only return time in 2sec
resolution.  Possibly Cygwin is using them?  (Why would it, though?)


The daffodils are coming. Are you?, February 2002, Brisbane, Australia

More information about the rsync mailing list