Bacula-users

Re: [Bacula-users] Incremental backup saves files not modified

2010-09-10 06:59:34
Subject: Re: [Bacula-users] Incremental backup saves files not modified
From: francisco javier funes nieto <esencia AT gmail DOT com>
To: tecnicos AT caos.uab DOT es
Date: Fri, 10 Sep 2010 12:56:53 +0200
Hi, 

This could be for many reasons:

* A software accessing the file for indexing or storing info about it change the time of the file, then Bacula archive it for next Incremental.
* An error in windows clock make the photo will be in the future, then bacula archive it for the next Incremental.
* Any modification in the metadata of the JPG would include it for next Incremental.

If you have not enough help from the user or physical access to the machine you can't determine if the Bacula behavior was wrong or maybe the user is not telling you all the truth. 

J.


2010/9/10 Personal Técnico <tecnicos AT caos.uab DOT es>
Hi,

My bacula server is doing incremental backups from remote users (Windows
or Linux) and is saving files that have not been modified from last
incremental backup (one day before).
For example:

list files jobid=16350
+------------------------------------------------------------------------------------------+
|
Filename
|
+------------------------------------------------------------------------------------------+
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005361.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005362.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005364.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005365.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005370.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005371.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005373.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005374.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005377.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005378.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005379.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005380.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005381.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005382.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005383.JPG |
+------------------------------------------------------------------------------------------+
+--------+----------------+---------------------+------+-------+----------+------------+-----------+
| JobId  | Name           | StartTime           | Type | Level |
JobFiles | JobBytes   | JobStatus |
+--------+----------------+---------------------+------+-------+----------+------------+-----------+
| 16,350 | Backup-Kerstin | 2010-09-04 13:44:45 | B    | I     |
15 | 13,871,823 | T         |
+--------+----------------+---------------------+------+-------+----------+------------+-----------+


list files jobid=16365
+------------------------------------------------------------------------------------------+
|
Filename
|
+------------------------------------------------------------------------------------------+
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005361.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005362.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005364.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005365.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005370.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005371.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005373.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005374.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005377.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005378.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005379.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005380.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005381.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005382.JPG |
| C:\Documents and Settings\pwendt\Mis documentos/docs/privat/fotos
sortieren/S5005383.JPG |
+------------------------------------------------------------------------------------------+
+--------+----------------+---------------------+------+-------+----------+------------+-----------+
| JobId  | Name           | StartTime           | Type | Level |
JobFiles | JobBytes   | JobStatus |
+--------+----------------+---------------------+------+-------+----------+------------+-----------+
| 16,365 | Backup-Kerstin | 2010-09-05 13:00:11 | B    | I     |
15 | 13,871,823 | T         |
+--------+----------------+---------------------+------+-------+----------+------------+-----------+


Information above is the list of saved files from two daily user backups
(both incremental). User has told me that she has not modified files, so
it seems there is a problem in how bacula determines is a file need to
be backup or not.

Help, please, help, because this problem also occurs in our department
server...

Thanks.


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Optimize IT performance and efficiency through flexible, powerful, 
automated storage tiering capabilities. View this brief to learn how
you can reduce costs and improve performance. 
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