Hi,

01.11.2007 22:07,, Ondrej PLANKA wrote::
... automatic volume naming / numbers no longer per pool, but per
all volumes known...

> Kern and Arno thanks for advice.
> But my last question - why new version of Bacula changed this volumes 
> names numbered sequentially per pool? Any reason?


I think Kern gave the reason - to prevent or rather, make more 
unlikely, cases where the generated volume name doesn't work because 
you have "holes" in the existing volume names. Like in V1, V2, V4, the 
next volume would be created as V4 because there are only three 
volumes in this sequence.

(Bacula handles this _to some extent_ by retrying with an incremented 
number, but this is limited.)

By the way - even using the number of all volumes can fail, but the 
most useful approach - taking the highest number in existence, and 
then adding to it - is really more difficult to implement than it's worth.

Arno


> Thanks in advance,
> 
> Ondrej.
>>  
>>> Thanks a lot Kern.
>>>
>>>    
>>>> I personally don't see the problem, since Bacula knows quite well 
>>>> what Volumes contain what, and in the prior scheme one was not 
>>>> always guaranteed of having sequential volume numbers, though out of 
>>>> sequence numbers only happened when you deleted volumes.
>>>>
>>>> Best regards,
>>>>
>>>> Kern
>>>>
>>>>       
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> 
> 
> 

-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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