Am 03.12.2012 15:42, schrieb lst_hoe02 AT kwsoft DOT de:
>
> Zitat von Dimitrij Hilt <dimitrij.hilt AT fhe3 DOT com>:
>
>> Am 03.12.2012 10:23, schrieb lst_hoe02 AT kwsoft DOT de:
>>>
>>> Zitat von Dimitrij Hilt <dimitrij.hilt AT fhe3 DOT com>:
>>>
>>>> Am 03.12.2012 02:21, schrieb Dan Langille:
>>>>> On Dec 2, 2012, at 6:40 PM, Dimitrij Hilt wrote:
>>>>>
>>>>>>
>>>>>> Hi there,
>>>>>>
>>>>>> i have bacula system on debian squeeze with packages from back ports.
>>>>>
>>>>> What version of Bacula are you running?
>>>> Version: 5.2.6 (both DIR and SD) comming from Debian backports package
>>>> 5.2.6+dfsg-1~bpo60+1.
>>>>>
>>>>>> I
>>>>>> use file based backups and i'm wondering why tape files are created as
>>>>>> sparse file:
>>>> du --block-size 1 file-0399
>>>>>> 134742016        file-0399
>>>> du --bytes file-0399
>>>>>> 70112117 file-0399
>>>>>
>>>>> What does the above represent?  What command did you issue?
>>>>>
>>>>>> Any idea how i can avoid it? It waste to much disc space.
>>>>>
>>>>>
>>>>> Not yet. I don't know what I'm looking at.  :)
>>>>
>>>> Thanks.
>>>>
>>>> Once more. If i copy this file localy and back, it shrinks to normal
>>>> size and both 'du' are same. Restore from shrinked file is still possible.
>>>
>>> Not sure but from my knowledge Bacula does not delete/truncate files
>>> by default when they are reused but simply overwrite them. You could
>>> try "Action On Purge = Truncate" to "shrink" the files before reuse.
>> These files was not reused. It is new system and create new
>> (possible sparse) files. "Action On Purge = Truncate" is allready
>> inplace.
>
> No idea then. In our case newly "labeled" files are 196 bytes in size.
> On the other hand you need to provide the space anyway at backup
> runtime, if not, you could simply label less files so less space is
> occupied...

Less files ist not really a option for us. Files with 10GB used space 
aer 17GB on filesystem.
I will try to replace xfs with ext4 and do tests again.

Dimi


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