Phil Stracchino wrote:
> On 04/06/10 17:28, Kevin Keane wrote:
>>> From: Phil Stracchino [mailto:ala...@metrocast.net]
>>>
>>> Actually, this is a problem which has largely been fixed in
>>> Bacula-3 and later, by changing the way overrides work.
>> Really? I see this problem in bacula 3.0.3 all the time. Maybe I need
>> to change something in my configuration to take advantage of this new
>> feature. How is it supposed to work?
>
> The old Schedule-based overrides are still *supported* in 3.0.3, for
> backward compatibility, but are deprecated - precisely because of the
> problem you note - in favor of the following example syntax:
>
>
> Schedule {
> Name = "Monthly Rotation"
> Run = Full 1st mon at 03:30
> Run = Differential 2nd-5th mon at 03:30
> Run = Incremental tue-sun at 03:30
> }
>
> JobDefs {
> Name = Backup
> Type = Backup
> Level = Full
> Pool = Full-Tape
> Full Backup Pool = Full-Tape
> Differential Backup Pool = Diff-Disk
> Incremental Backup Pool = Incr-Disk
> Schedule = "Monthly Rotation"
> [...]
> }
>
>
> The change was made because, basically, it proved extremely difficult to
> avoid the pool mismatch problem using the schedule-based override code.
Yeah, that works ... when you only need to control pools based on job level.
My problem is that sometimes I need to control other job attibutes, such
as spooling, by job level.
The mechanism just needs to be generalised a little, so your above
example becomes:
JobDefs {
Name = Backup
Type = Backup
Level = Full
Full {
Pool = Full-Tape
}
Differential {
Pool = Diff-Disk
}
Incremental {
Pool = Incr-Disk
}
Schedule = "Monthly Rotation"
[...]
}
... or something like that, so other things may be overridden based on
level.
> Putting pool overrides in the job definition allows the job to select
> its own pool, which means that in case of level promotion, it
> automatically just Does The Right Thing.
OK, good to know. I was actually using this mechamism before, but
thought it selected the pool *before* making the promotion decision. In
any case I had to switch to schedule-based overrides due to another
issue with retention periods and manual backups that I'll mention once
I've written it up properly.
--
Craig Ringer
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