Hello, 

Right now we're evaluating and deciding which is going to be our Backup 
software, Bacula is the most optioned so far but we're having troubles with the 
implementation of the file DE duplication.

When we make a base job of the machine virtual that is going to be the base, 
his size is 553 Mb. After that when we make a full backup of a machine that was 
created from the machine "base". His size is 242 Mb that’s ok because it only 
has to make backup of the files that are different of files of the base.

The problem comes when we make a differential backup right after the full 
backup. The result must be 0 Mb or something really small, but we're getting 
backups of 462 Mb.

We used one configuration similar to the one we found in the Bacula’s manual. 
http://www.bacula.org/5.2.x-manuals/en/main/main.pdf Chapter 34.

We have tried removing BaseJob, Accurate and Verify from FileSet but it didn’t 
worked. We have always the same sizes that don't make sense.

We would like to know if you have a solution for our problem, because it worked 
when we don't use DE duplication (just with full and Differential), but we are 
very interested in using it, that would save us a lot of space on ours hard 
drives.

We attached here the job’s configuration:

ob {
  Name = "BackupBasse"
  Type = Backup
  Level = Base
  Client = basse-fd
  FileSet = "TOUT"
 Schedule = "programme2"
  Storage = File
  Messages = Standard
  Pool = File
  Priority = 10
  Write Bootstrap = "/var/lib/bacula/%c.bsr"
}
Schedule{
Name = "programme2"
Run = at 14:30
}

Job {
  Name = "Backupftp"
  Type = Backup
  Base = Backupftp, BackupBasse
  Accurate=yes
  Client = basseftp-fd
  FileSet = "TOUT"
  Schedule = "programme"
  Storage = File
  Messages = Standard
  Pool = File
  Priority = 10
  Write Bootstrap = "/var/lib/bacula/%c.bsr"
}

Schedule{
Name = "programme"
Run = Level=Full at 14:31
Run = Level=Incremental at 14:32

}

FileSet {
  Name = "TOUT"
  Include {
        Options {
BaseJob = pmugcs5
Accurate = mcs
Verify = pin5
}
    File = /
  }
}

Thank you very much for your help,

Juan David DIAZ

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