Bacula-users

[Bacula-users] running out of numbers to auto label volumes in bacula 3.0.0

2009-06-07 21:08:27
Subject: [Bacula-users] running out of numbers to auto label volumes in bacula 3.0.0
From: "mzheng" <mzheng AT uchicago DOT edu>
To: <bacula-users AT lists.sourceforge DOT net>
Date: Sun, 7 Jun 2009 19:48:24 -0500

Hi all,

 

I have a problem with running out of numbers for labeling volumes in bacula 3.0.0.  Please help.

 

Here are the details: we have about 400 clients.  We keep 4 full backups a month (1 per week), and 6 incrementals (6 per week), so we keep a total of 28 volumes at any times for each client.  We use hard disks for backup, and each client has its own directory and storage pools.  We limit 4 volumes for the full pool and 24 volumes for incremental pool.  Each volume in the pool is written once with no size limit.  

 

Here is a sample of the configuration file:

 

Pool {

  Name = client1-Full-Pool

  Pool Type = Backup

  Recycle = yes

  autoPrune = yes

  Volume Retention = 27 days

  Maximum Volumes = 4

  Maximum Volume Jobs = 1

  Label Format = client1-Full-Pool-

  Purge Oldest Volume = yes

  Recycle Oldest Volume = yes

}

 

Pool {

  Name = client1-Inc-Pool

  Pool Type = Backup

  Recycle = yes

  autoPrune = yes

  Volume Retention = 27 days

  Maximum Volumes = 24

  Maximum Volume Jobs = 1

  Label Format = client1-Inc-Pool-

  Purge Oldest Volume = yes

  Recycle Oldest Volume = yes

}

 

Storage {

  Name = FileStorage-client1

  Address = storage.server.com         # N.B. Use a fully qualified name here

  SDPort = 9103

  Password = "some passwrd"

  Device = Dir-client1

  Media Type = File-client1

}

 

 

 

In the previous versions of bacula when the numbering is correct, we have full volumes labeled from 0001 to 0004, and incremental volumes labeled from 0001 to 0024.  In the new version 3.0.0, because of the numbering bug issue, we are going to run out of the numbers.  We need a total of 400*28=11200, which is a 5 digit number, and currently there are only 4 digits in the label.

 

What is going to happen when bacula used up the numbers for volumes?  Is it going to increase to a 5 digit format, or is it going to crash, or is it just going to start from 0001?  If it restarts from 0001, is it going to still keep the same number as before for each client, or is it going to start all over again for all clients?  That is, is bacula going to just overwrites the existing volumes, or is it going to create new and differently labeled volume for each client?

 

 

Please help!

 

Ming

 

 

 

 

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