Thanks, but all my drive are NTFS. But I don't know if Windows see a webdav folder (on a NTFS drive) like a NTFS drive.
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how to avoid that robocopy in mirror mode copies again and again same files from a server to a webdav folder ?
Hi, I synchronize data from my server (Win 2003 but it's the same with my vista PC) to a webdav folder with robocopy /MIR and other options and the matter is that the first time where all is fine, but the second time robocopy copies again my files because it finds that the files are changed, but they aren't.
I had made some test with the same robocopy command line from my server to my server and all is fine.
I had made the same test on my server where my folder is hosted and all is fine too.
There is only between them.
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Answers
My webdav folder is already mount by a net use command as a drive letter.
My Robocopy arguments are : "\\SERVER\My datas" "T:\Backup" /TBD /TEE /MIR /E /Z /XX /R:3 /W:5
(where T: is the drive letter for my webdav folder).
NB: I have alredy tested with the /FFT argument, and I have tried to synchronize my servers from the same time server too but without success.
Probably a silly question, but have you tried other COPY tools, like XXCOPY (www.xxcopy.com) or (my favorite) Beyond Compare (www.scootersoftware.com)?
You are missing the point of robocopy -- it has the SAME LIMITATIONS as XCOPY -- specifically --
NEITHER PROGRAM CAN COMY FILES OPEN AND LOCKED BY THE SYSTEM.
All the windows registry, the NTUSER.DAT files, and a slew of open and locked files in the windows system directory and open and locked by the OS when running anc CANNOT be copied by robocopy.
If you want a TRUE CLONE of a hard disk, you only have 2 options under XP --
(1) remove th drive and put it as slave on another system -- then it will truly robocopy perfectly, or
(2) get software that will do LIVE STATE BACKUP -- i.e. copy the open system files in real time using the MS Snapshot technology.
Ghost, acronis, and MS backup, veritas backup exec, and a few others can do this snapshot backup of the system state. ROBOCOPY CANNOT, as XCOPy CANNOT, while XP is running.
I have tested this endlessly, I am right on this subject -- 100% guaranteed.
I have a new information : In fact the date of the same file is not the same when I see it on my server directly (where my webdav folder is) and when I see the date throw IE or throw my Network drive. It's incredible. Have you got an explanation !!! It's probably why Robocopy send the same file again and agin because it sees the date on the server which is different than the original file.
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by: angelIIIPosted on 2007-09-09 at 22:52:57ID: 19859103
let's see this:
http://www.stevelu.com/Tec
<...>
Handling FAT File Times on NTFS Drives
File-time granularity is 100 nanoseconds on NTFS, and two seconds on FAT, so copying a file from NTFS to FAT causes file times to be rounded to a value that the FAT file system can manage.
...
<...>
is that what you have? one drive on NTFS and the other in FAT?