Hi,

Why do you need to store full and incremental/differential backups in
the same pool? You can do it with two or more pools - one for full
backup and the rest for incremental/differential backups. (eg. by
using "Full Backup Pool", "Differential Backup Pool" ,"Incremental
Backup Pool" Job resource directives).

The second question - why would you use the only one full backup?

Regards
gani

W dniu 14 marca 2011 22:10 użytkownik Miłosz Kosobucki
<mikom3 AT gmail DOT com> napisał:
> Hi,
>
> I have a problem with finding correct configuration for my usage
> scenario. I want to have six days worth of backups. My first approach
> was making a pool with the following configuration:
>
>   Pool Type = Backup
>   Recycle = yes
>   AutoPrune = yes
>   Storage = File
>   Maximum Volumes = 6
>   Maximum Volume Jobs = 1
>   Recycle = yes
>   Purge Oldest Volume = yes
>   Action On Purge = Truncate
>
> This configuration poses some problems:
>
> 1) When the last volume is written bacula tries to rotate to the first
> one. The first one is obviously a Full backup. It then purges the volume
> and deletes the full backup. I then proceeds to make incremental backup
> even though it has just deleted the only full one, what IMHO is wrong.
> It should detect that no full backup will be available after purging and
> make the full backup now.
>
> 2) Even if the situation in 1) was resolved properly, I would still be
> vulnerable if current backup failed. For the short period of time
> between purging the old full backup and creating new one, there would be
> no backup in the system.
>
> The ideal solution would be something like using rsync with --link-dest
> option. With this option, I could rotate 6 directories with my daily
> backups, and everything would be resolved with hard links. Is it
> possible to achieve something similar with bacula with hard-disk as
> backup storage method?
>
> Best regards,
>
> --
> Miłosz Kosobucki <mikom3 AT gmail DOT com>
>
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