[Bacula-users] Reuse of Diskspace

Achim Schmidt Fri, 10 Mar 2006 00:31:06 -0800

Hi,

I've running a bacula setup that stores its backups to disk. basicly i'm very satisfied with the system, but something looks a bit strange for me.
I get the impresssion, that bacula uses as much diskspace as it can get and is not reusing pruned diskspace.

sample:

one set stores about 12 GB every night in a dedicated container.
I defined a configuration, where I belive, the system stores 7 days every night a full backup of the defined fileset.
In my opinion, in the night no 8, the system should prune teh first backup and use the space insight the defines pool-file.
In night no 9 it should prune backup no 2 and user the free space ...

I think the time, that files has to been kept is the shortest "File Retention" Setting in the relevand definition (client, job, pool, etc)

every nightly backup of this set is more or less exactly about 12 GB.

For me, that means:

7 * 12 GB = 84 GB

==> the pool file Database-0001 should grow the first 7 days about 12 GB / Night. That also was reality. But now, the file is still growing, that geta me the impression, that there is something wrong about the reuse of the pruned files. In its nighlt mails, bacula also told me, that files where pruned:

sample:

10-Mar 06:19 backup1-dir: Begin pruning Jobs.
10-Mar 06:19 backup1-dir: No Jobs found to prune.
10-Mar 06:19 backup1-dir: Begin pruning Files.
10-Mar 06:19 backup1-dir: Pruned Files from 2 Jobs for client database-fd from catalog.
10-Mar 06:19 backup1-dir: End auto prune.

Is there anything I'm doning wrong ?? Here is my config for this host / Job / Pool / schedules, etc.:

Client {
Name = database-fd
Address = database.somewhere.com
FDPort = 9102
Catalog = MyCatalog
Password = "1234567890"             # password for FileDaemon
File Retention = 7 days            # 30 days
Job Retention = 15 days            # six months
AutoPrune = yes                     # Prune expired Jobs/Files
}

Job {
Name = "database"
Client = database-fd
Schedule = "NightlyDB"
JobDefs = "NightlyJob"
FileSet = "database_set"
Write Bootstrap = "/var/bacula/database.bsr"
}

# database Set
FileSet {
Name = "database_set"
Include {
    Options {
      signature = MD5
      compression=GZIP
    }

     File = /backupdb

}
}

Schedule {
Name = "NightlyDB"
Run = Level=Full Pool=Database mon-sun at 04:05
}

Pool {
Name = Database
Pool Type = Backup
AutoPrune = yes
Volume Retention = 14 days
Maximum Volumes = 4
Recycle = yes
Recycle Oldest Volume = yes
Label Format = "Database-"
}

JobDefs {
Name = "NightlyJob"
Type = Backup
Level = Incremental
FileSet = "UnixMinSet"
Client = backupserver-fd
Storage = File
Messages = Standard
Pool = Default
Priority = 10
}

thx & rgds

Achim

[Bacula-users] Reuse of Diskspace

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