Hello,

18.11.2009 10:06, Jim Barber wrote:
> Thanks Arno.
> 
> Is this better?

Looks quite good.

I hope this one is accepted and implemented :-)

Cheers,

Arno

> If so I'll clean out all other text except the feature request and submit it 
> to bacula-devel
> 
> --------------------------
> 
> Item ?:       Allow Schedule Resource to override 'Next Pool'
> 
> Date: 18 November 2009
> 
> Origin:       Jim Barber. jim.bar...@ddihealth.com
> 
> Status:       New request
> 
> What: Allow the Schedule resource to define a NextPool= statement
>       to override the NextPool statement of the pool defined in the job.
> 
> Why:  I have an incremental pool that each week gets consolidated into a
>       full pool via a VirtualFull job. The 'Next Pool' directive of the
>       incremental pool defines the location of the full pool.
> 
>       The following week, the next VirtualFull backup will run. It will
>       read the previous full backups and incremental backups since then,
>       to create new full backups. It is important that the VirtualFull
>       backup does not try to write to the same tape that the previous
>       weeks full backup wrote to and left in Append status. Otherwise you
>       could end up with the one tape trying to be read and written and
>       dead-lock.
> 
>       At the moment I have a hack to get around this. An Admin job calls
>       an external command that runs a SQL update to find any tapes in the
>       full pool with an APPEND status and change it to USED. This runs
>       after the full backups have been done.
> 
>       Instead I'd like to create two full pools. One for even weeks and
>       one for odd weeks of the year. That way, even week virtual full
>       backups could consolidate odd week virtual full backups with the
>       latest incremental backups. And the odd week virtual full backups
>       could consolidate the even week full backups with the latest
>       incremental backups.
> 
>       The trouble is that the Incremental pool can only define one Next
>       Pool. I can't have it toggle the Next Pool directive from odd to
>       even, week to week. Unless I could override it from the schedule.
> 
>       Doing that would mean I could ditch my SQL hack to manipulate the
>       tape status. It will also be less wasteful of tapes, since I won't
>       have partially filled USED tapes throughout my library.
> 
>       There are possibly many uses for such an override that I haven't
>       thought about.
> 
> Regards,
> 
> ----------
> Jim Barber
> DDI Health
> 
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-- 
Arno Lehmann
IT-Service Lehmann
Sandstr. 6, 49080 Osnabrück
www.its-lehmann.de

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