Op 2013-03-07 om 22:53 schreef artakami:
> Hi
> I am currently using Bacula 5.2.12 and I am having problem with controlling 
> disk space.
> It seems like bacula does not overwrite old data in backup files until it 
> fills up whole disk space.
> 
> I would like to know if anybody else had/having same problem


Yes of course does the same problem occure,
after all it is http://en.wikipedia.org/wiki/Eternal_september

>  and how did they get over it?

Take some time to read this e-mail.

Bacula can write backup data to both tape and disk.
There is much shared programming code in writing to tape and disk.
That is made possible due a tape cardridge equivalent
for disk backup named "Volume".

Where the original poster speaks about "backup files",
shoud it be "Volumes" and should think tape cardridges.

Having multiple Volumes  ( "tapes" ) is important.
Setting the Volume size ( tape size ) is done
with 'Maximum Volume Size ='. So "slice" the disk with Volumes.

Next thing is telling Bacula how long it should keep
content on a volume.

Having a full backupdisk is now not a problem anymore.
(In fact it is good to have backupdisk full with volumes.)

Having not enough volumes ( having not enough virtual tapes )
is a problem. Solution can be either more disk space for more volumes
( buy more "tapes" ), or re-use a volume (a tape) quicker.


Summary: think tapes.


Cheers
Geert Stappers
-- 
http://www.vanadcimplicity.com/
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