Bacula-users

[Bacula-users] Who is right about the tape size: Bacula or the tapeloader??

2011-09-01 09:11:08
Subject: [Bacula-users] Who is right about the tape size: Bacula or the tapeloader??
From: Stefan Michael Guenther <s.guenther AT in-put DOT de>
To: bacula-users AT lists.sourceforge DOT net <bacula-users AT lists.sourceforge DOT net>
Date: Thu, 1 Sep 2011 15:08:17 +0200
Hi,

we are using a Tandberg autchanger with eight LTO3 tapes, which could save 
400/800 GB of data.

Herre is the definition of the device in bacula-sd.conf:

Device {
  Name = Drive-1           
  Media Type = Ultrium-LTO3 
  Archive Device = /dev/st0
  AutomaticMount = yes;    
  AlwaysOpen = yes;
  RemovableMedia = yes;
  RandomAccess = no;
  AutoChanger = yes
  Spool Directory = /var/spool/bacula
  Maximum Spool Size = 100G
  Maximum Block Size = 65536
  Maximum Network Buffer Size = 65536
}

and one of the volume definitions:

Pool {
  Name = Mittwoch
  Pool Type = Backup
  Recycle = yes
  AutoPrune = yes
  Volume Retention = 8 days
  Maximum Volume Bytes = 800G
  Maximum Volumes = 2
  Maximum Volume Jobs = 18
  RecyclePool = Mittwoch
}

But no matter which tape we use, after 240 - 250 GB of data Bacula want's us to 
change the tape, because it is reported as full.

How can we find out whether Bacula or the Tapeloader uses the wrong size for 
the tapes?

Thanks for any hints or suggestions,

Stefan

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