|Thanks for the "mtime only" hint.|

|Can I use this for only one directory, e.g. |||File = "/mnt/3"||

|FileSet {
  Name = "Storage1Data"
  Description = "Data direcvtories only"
  Include {
    Options {
      Signature = MD5 # calculate md5 checksum per file
      Compression = LZ4
      noatime = yes
    }
    File = "/mnt/1"
    File = "/mnt/2"
    File = "/mnt/3"
  }
}|

|or may I have to setup a new file set and also a new job for the dir |||File = "/mnt/3"| like:|


||FileSet {
  Name = "Storage1Data"
  Description = "Data direcvtories only"
  Include {
    Options {
      Signature = MD5 # calculate md5 checksum per file
      Compression = LZ4
      noatime = yes
      Mtime Only = yes
    }
    File = "/mnt/3"
  }
}||

|Thanks a lot, Frank
|

Am 21.05.2021 um 09:04 schrieb fk+bacula--- via Bacula-users:
Hi there,
what is the criteria for the Bacula FD to take a file to a differeantial or incremental backup against the prev. full backup ?

Example:

[op1@storage1 ~]# stat /mnt/glusterfs/piler/store/00/588/00/45/400000005885d683233125cc00df2ff10045.m   File: „/mnt/glusterfs/piler/store/00/588/00/45/400000005885d683233125cc00df2ff10045.m“
  Size: 3912            Blocks: 8          IO Block: 131072 reguläre Datei
Device: 17h/23d Inode: 10930643060122436912  Links: 1
Access: (0777/-rwxrwxrwx)  Uid: (  500/backup_master)   Gid: (  500/backup_master)
*Access: 2021-05-21 08:31:13.545365435 +0200*
*Modify: 2017-01-23 11:10:01.744076268 +0100*
*Change: 2021-05-21 08:31:13.568365427 +0200*

Is it Modify or Change ? I think, it is change because glusterfs permanently updates the meta data of the files and so it's impossible to back up ONLY modified files.

Is there a strategy for backing up GlusterFS volumes (FUSE mount) or can I change the criteria of the FD to backup only modified files? Maybe by using a shell script with find? How can I divide then between full, diff or inc backup mode the file selection?

Thanks, Frank


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