Seemingly impossible bug: -v not always listing every copied file

raf rsync at
Wed Oct 30 05:24:01 UTC 2019

Thanks. I'll try that. But I agree that it'll be
something else. It's unlikely that whole trace files
are being overwritten, because there's locking in place
to prevent that sort of thing, but it's more likely
than anything else. I'll check that the locking is
working properly.

Although, when I last investigated it, it really did
look as though, in a single run of this task, three
files were copied for one directory but only two were
listed. I need to verify that more thoroughly, perhaps
with directory listings on both sides before and after
each run.


Kevin Korb via rsync wrote:

> It does seem impossible.  I would suggest adding --itemize-changes (-v
> isn't really all that useful without it anyway).  If entries are still
> missing then I would suspect that either log files are missing (maybe
> duplicate file names replacing the occasional log file?) or something
> other than rsync is doing things in the same dir.
> On 10/29/19 9:00 PM, raf via rsync wrote:
> > Hi,
> > 
> > debian-9, rsync-3.1.2 (both ends)
> > 
> > I have a task that rsyncs files from a list of
> > candidate files (--files-from=). It's verbose (-v) and
> > its stdout is captured to a file which is then sent to
> > the receiving host. The captured verbose output is
> > examined on the receiving host to know which files were
> > actually copied so that notification emails can be sent
> > to various people.
> > 
> > The problem is that, sometimes, not all copied files
> > are listed in the verbose output, and so some
> > notification emails don't get sent out. At first, I
> > thought there was something wrong with the notification
> > emails not arriving, but the files in question, that
> > had definitely been copied, did not appear in any of
> > the captured verbose output files.
> > 
> > This seems like an impossible bug but it really seems
> > to be happening. Has anyone else encountered behaviour
> > like this? I didn't have much luck searching the
> > internet for it. It would probably be hard to notice
> > if the verbose output wasn't being used for something
> > like triggering notifications whose absence might be
> > noticed.
> > 
> > cheers,
> > raf
> -- 
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