>>>>> On Fri, 8 Aug 2014 11:22:08 -0700, Ross Williamson said:
> 
> How do differential jobs work with job retention?  As an example If I
> do a Full backup every 2 months, a differential every sun and
> incremental every 6 hours, you only require the last differential to
> restore.  Are the previous differentials "purged" and the relevant
> volumes in the differential pool marked for recycling as they are no
> longer needed? Some extracted time periods below:
> 
> Job {
>   Name = "BackupHome"
>   JobDefs = "DefaultJob"
>   FileSet = "Home Directory"
>   pool = Default
>   Full Backup Pool = HomeFull-Pool
>   Incremental Backup Pool = HomeInc-Pool
>   Differential Backup Pool = HomeDiff-Pool
> }
> 
> Client {
>  Job Retention = 6 months
>  File Retention = 30 days
>  AutoPrune = yes
> }
> 
> Pool {
>   Name = HomeDiff-Pool
>   Pool Type = Backup
>   Recycle = yes
>   AutoPrune = yes
>   Volume Retention = 40 days
>   Maximum Volume Bytes = 20G
>   Maximum Volumes = 20
>   Label Format = HomeDiff-
> }

Yes, this will keep each Differential job for at least 40 days.  The volume
will be considered for reuse after its last job has expired.

__Martin

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