>> I have a couple of users which sporadically edit video files.
>>
>> These files can take several hundred megabytes and are also subject to
>> backup.
>>
>> The thing is, users often move these files, i.e. from directory A to
>> directory B. And copy to directory C two days later. The next day, they
>> change files name from movie_a.avi to new_commercial.avi.
>>
>> All these file renames/copying/moving make a big problem for our current
>> backup setup - the files are transferred again and again over slow
>> Internet, although files didn't change and their checksums are still the
>> same.
>>
>>
>> Can Bacula deal with file renames, copying (their time stamp can
>> differ), moving etc.?
>
> Bacula will backup everything in a Full backup.
>
> For the next Incremental or Differential, it uses mtime.  That is, the
> last time the file was modified.  If the mtime has not changed, the file
> will not be backed up, regardless of name.
>
> So, for your example: if the file is copied, mtime [usually] changes.
> So it will be included in the next inc/diff backup.  Renaming a file
> does not change mtime.  Therefore the renamed file will not be included
> in the next inc/diff backup.
>
Just out of curiosity: what information Bacula uses to recognize a renamed 
file, in addition to mtime? Or is mtime guaranteed (in all filesystems) to 
be unique, so there couldn't be another file with the same mtime?

--
TiN 



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