John,

Thanks for your reply. If I add  "Volume Use Duration = 1 month" do I have to 
go to update -> volume parameters-> Pool from resource to get the new 
configuration applied to the existing old tapes?

Uthra

-----Original Message-----
From: John Drescher [mailto:drescherjm AT gmail DOT com] 
Sent: Monday, September 03, 2012 8:32 AM
To: Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC]; bacula-users
Subject: Re: [Bacula-users] job expiration question

On Thu, Aug 30, 2012 at 12:01 PM, Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC] 
<uthra.r.rao AT nasa DOT gov> wrote:
>
> John,
>
> I wanted to try something to get my 2TB tapes recycle faster.
>
> Current configuration:
>
> pool {
>   name = server-archive
>   Pool Type = Backup
>   Autoprune = no
>   Recycle = no
>   Volume Retention = 10 years
> }
>
> To the above configuration I want to add "Volume Use Duration = 1 month" so 
> that the tape will be used for 1 month and then will get "FULL" status though 
> it Is not really FULL. Once the tape is in FULL status the 3 months retention 
> period starts and after 3 months the tape is recycled and can be reused. By 
> doing this I don't have to change the retention period but I will have a FULL 
> back-up every 1+3 months (4months). Currently the tape is taking 3 months to 
> fill up and another 3 months for the retention period (3+3=6 months).
>

If you added "Volume Use Duration = 1 month" then the tape would be used for 1 
month and then after that it will be marked "Used". After it is marked used the 
retention period begins and is calculated from the the last written date/time 
that is recorded in the database for that volume. So if you have a 3 month 
volume retention (your above example shows 10 years) the tape should be ready 
to recycle in about 4 months.

John

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