File changed during save....

[Stephen Zemlicka]

If you're on windows, someone wrote a vss patch for rsync.  I haven't used
it extensively though but it has worked for in-use outlook pst files so far.
I plan on testing it with exchange and sql databases in the near future.

_____________________________
Stephen Zemlicka
Integrated Computer Technologies
PH. 608-558-5926
E-Mail stevezemlicka at gmail.com 

-----Original Message-----
From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
[mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On Behalf Of
Tony Abernethy
Sent: Sunday, September 16, 2007 11:24 AM
To: 'Matt McCutchen'; 'roland'
Cc: rsync at lists.samba.org
Subject: RE: File changed during save....

Matt McCutchen wrote:
> 
> On 9/15/07, roland <devzero at web.de> wrote:
> > what`s the rsync equivalent to this?
> > how can i see which files changed while rsync was 
> transferring them ?
> 
> Handling of concurrent changes to source files is one of rsync's
> weaknesses.  The rsync sender naively reads each source file from
> beginning to end and sends what it sees; it doesn't detect if source
> files change while being transferred.  In many cases, the concurrent
> modification will leave the source file with an mtime different from
> the mtime rsync saw when it statted the file during file-list building
> (which gets set on the destination file), so a subsequent rsync run
> will fix the corrupted destination file.  See this thread for more
> information:
> 
> http://lists.samba.org/archive/rsync/2006-January/014534.html
> 
> Matt
> -- 

Note that back-to-back rsyncs make the window of opportunity much
much smaller for things to change during transit.

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