Mikel Jimenez wrote:
> Dan Langille escribió:
>> Mikel Jimenez wrote:
>>> Dan Langille escribió:
>>>> Mikel Jimenez wrote:
>>>>> Hello
>>>>> How bacula knows if a file is have to backup in Incremental backups?
>>>> mtime
>>>>
>>>>> Because the md5sum of the file?
>>>> no
>>>>
>>>>> What happend if aI have /etc/file1 and /etc/dir/file1?
>>>>>
>>>>> The md5 signature that is in the database is different for each 
>>>>> file? How can I do verify this?
>>>>>
>>>>> I ask these questions because I am making backup of a Debian Plesk 
>>>>> server.
>>>>>
>>>>> Plesk makes Daily backups, but some files do not change, they are 
>>>>> replaced by the same.
>>>>> But when I run an incremental backup, Bacula makes backup of these 
>>>>> files another time, and their md5 signature are the same today and 
>>>>> yesterday (some  files only of course).
>>>>>
>>>>> These files have the same name but they are in different locations 
>>>>> (file1 example).
>>>>> /etc/file1 and /etc/dir/file1 has different md5sum
>>>> I think my notes answer all your questions.
>>> mtime is modification time?
>> Yes.  From http://www.bacula.org/en/rel-manual/Configuring_Director.html
>>
>> The File daemon (Client) decides which files to backup for an 
>> Incremental backup by comparing start time of the prior Job (Full, 
>> Differential, or Incremental) against the time each file was last 
>> "modified" (st_mtime) and the time its attributes were last 
>> "changed"(st_ctime). If the file was modified or its attributes 
>> changed on or after this start time, it will then be backed up.
>>
>>
> Ok. And it is not a solution for not backup the files that not changed 
> from last backup?

Not that I know of. The bacula-fd will not do a comparison.

> If plesk backup does backup at 12:00 (100 files) and bacula at 13:00, 
> bacula always is going to backup 100 files?

I think the issue is that the plesk backup seems to be at issue, not 
what Bacula does.

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