Dave Dykstra wrote:
>
> On Tue, Jul 04, 2000 at 03:41:22AM +1000, Mike Benoit wrote:
> ..
> > We update about 1.5gb of data each reboot, currently we use the --size-only
> > switch to speed things up, with that switch the entire process (from
> > rebooting Windows, to being back in Windows) is about 5 minutes. If we take
> > that switch off, its unfortunately about 25mins.
> ..
>
> It sounds like it is not getting a match on the timestamps if --size-only
> makes that huge of a difference. Are timestamps being copied ('-t', implied
> by '-a')?
>
> I remember hearing something about a mismatch in the granularity of
> timestamps on Unix vs. Windows, where Unix goes down to the second and
> Windows is down to the every 6 seconds or something like that. So if the
> master is on Unix and the copy is on Windows it may never be able to get a
> match. If that's the problem, maybe a Windows version of rsync needs to
> accept anything within six seconds as a match.
The timestamp on fat/vfat systems is the actual time and date which
means that there was only 5 bits left for the seconds so it has a
granularity of 2 seconds. Interestingly the only place I could find this
documented was in the samba source code.
/Michael
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