Bacula-users

[Bacula-users] Separating Full backups from incremental in the volumes.

2012-12-10 18:24:37
Subject: [Bacula-users] Separating Full backups from incremental in the volumes.
From: ccspro <bacula-forum AT backupcentral DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 10 Dec 2012 15:20:56 -0800
You can also do that per Job OR JobDefs too, If you the same schedule for more 
than 1 client this may be more appropriate for you:
Job or JobDefs {
  Pool = "thisjob-inc-pool" # default 'level' pool *REQUIRED even if not used*
  Full Backup Pool = "thisjob-full-pool"
  Incremental Backup Pool = "thisjob-inc-pool"
  Differential Backup Pool = "thisjob-diff-pool"
}

You also need to think about volume/job/file retention periods, volume 
expiration or how many clients per *time* or per job you allow per volume, 
volumes are tricky to grasp due to how many ways you can set retention or 
storage periods for.

Each pool (in bacula 5.2) will allow you to over ride the Client retention 
periods:
Pool { # 1 months of Full's, 1 per week - assume 5 weeks giving extra lag time.
  FileRetention=1 months
  JobRetention =1 months
  #Volume Use Duration = 23h           # Jobs placed in this pool within *time* 
go here, after *time* will be the next volume
  Volume Retention = 1 months          # how long we keep the volume for before 
reuse.
  Maximum Volume Jobs = 1              # 1 jobs per volume max. (careful mixing 
this with Volume Use Duration!)
  Maximum Volumes = 5                    # Force recycling per volume after 
Maximum volume reached (5 allows 1 week lag period)
}
If file retention expires before volume or job you may only export everything 
(no selection in bconsole) on restore.
If Job retention expires it might take longer to find the linked jobs and again 
it may be an export everything situation on restore

I use a series of Base, Full, Inc and Diff for every client but the retention 
periods of INC are set low (1 month tops) to keep daily changes clean, thats 
what fulls and diffs are for, I keep 3-6 months of fulls, at least 1 year of 
base and 1 month of inc's, diff's vary if they are even used.

Once you break away from the defaults everything requires a lot of planning and 
"what if" scenario's come into play!

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