I rotate sets of tapes each day.  I would like the last tape used in the 
backup to be marked used after a certain amount of time has elapsed.  It 
matters not to me when the volume was first written to.  For me, Volume 
use duration marks tapes used too early if there is a hiccup in the 
backup run (and then requires an extra tape when none it needed) or too 
late and bacula wants to use the last tape for the next backup run.

 

Kern Sibbald wrote:
> I don't see the need for this feature.  With the current code, there is no
> harm if the tape is marked used while a job is running, so please explain
> why this feature is needed.
>
> Regards,
>
> Kern
>
>   
>> Item 1:  Implement an 'Volume Append Duration' pool directive
>>
>> Origin:  Brian Debelius, bdebelius at intelesyscorp.com
>>
>> Date:  5 February 2009
>>
>> What:  An 'Volume Append Duration' pool directive.  This directive would
>> set a window of time after the last write to a tape, after which the
>> tape is marked used.  This would be a complement to the Volume Use
>> Duration directive.
>>
>> Why:  Sometimes when a job pauses for whatever reason, the backup run is
>> interrupted long enough for the Volume Use Duration to be exceeded and
>> the currently loaded tape is mark used before the entire backup run is
>> complete.  With the Volume Append Duration, I can set the tape to be
>> marked used after x hours of no use.  This would give more flexibility
>> in determining when a tape gets marked used.
>>
>> Notes:  Volume Append Duration or Volume Use Duration may be used, OR
>> both may be used in a pool definition.  If both are used then then they
>> are ANDED together, in that they both must be true for the tape to be
>> marked used.
> Best regards, Kern
>   


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