rsync - Mar 2005 - Rsync, cygwin and seemingly random deleting of files problem

Dear All,

I am running Rsync (2.6.3) on Windows Server 2003 via Cygwin, performing 
a pseudo-local sync (t: is a mapped NAS).

The Rsync command I am using is below, but I am having a problem whereby 
certain files are being deleted, seemingly at random. I am using the 
--delete flag. These files are not actually deleted as they are then 
transferred back in the sync process. However, this is a touch worrying.

I have found reference to this problem in several posts in the archive, 
as far back as 2002, so there seems to be some history. However, I can't 
find any solutions to this or official confirmation as to whether this 
is a problem or something do with user error!

If anyone has any suggestions at all, that would be very much appreciated.

Toby.

c:\cygwin\bin\rsync.exe --verbose --progress --stats --archive --delete 
"/cygdrive/c/Users Shared Folders/t.d.watson" /cygdrive/t/t.d.watson
(I have also tried with --modify-window=1, but this makes no difference).

On Mon, Mar 21, 2005 at 01:31:53PM +0000, Toby D. Watson
wrote:
> These files are not actually deleted as they are then transferred back
> in the sync process.
Do the names of these files differ in case, even after the transfer?
Are there any weird characters in the filenames that might be translated
by the underlying FS behind rsync's back?  For instance, if you have a
file named "foo." (with the trailing dot), that filename is treated
the
same as "foo" under MS Windows, and cygwin doesn't do anything to
try to
encode this filename in a special way, so rsync thinks it has created
"foo.", but when the transfer happens again, it will be told that
"foo"
exists instead.

..wayne..

________________________________

From: Wayne Davison [mailto:wayned@samba.org]
Sent: Thu 24/03/2005 7:24 AM
To: Toby Watson
Cc: rsync@lists.samba.org
Subject: Re: Rsync, cygwin and seemingly random deleting of files problem



On Mon, Mar 21, 2005 at 01:31:53PM +0000, Toby D. Watson wrote:
> These files are not actually deleted as they are then transferred back 
> in the sync process. 
Do the names of these files differ in case, even after the transfer? 
Are there any weird characters in the filenames that might be translated 
by the underlying FS behind rsync's back?  For instance, if you have a 
file named "foo." (with the trailing dot), that filename is treated
the
same as "foo" under MS Windows, and cygwin doesn't do anything to
try to
encode this filename in a special way, so rsync thinks it has created 
"foo.", but when the transfer happens again, it will be told that
"foo"
exists instead. 

..wayne.. 

Dear Wayne,
 
Thanks for the reply; I am not quite certain what you mean about the differing
in case of file names. However, I think you have put your finger on at least
part of the problem. Two of the file names have umlauts in them, and rsync is
deleting and re-copying these files. However, I noticed that when it copies
them, the umlaut disappears, which explains why it thinks they have been deleted
I guess!
 
It is also deleting a file with an apostrophe in, but presumably this will be
the same problem as you describe?
 
Is there any way that you know of working around this issue?
 
Many thanks for your help,
 
Toby.
 
 
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