On Tue, 2002-04-02 at 16:13, Joshua Baker-LePain wrote:
> On 2 Apr 2002 at 3:55pm, Brad Tilley wrote
> 
> > I do the same. Three amanda directories 'daily' 'weekly' and 'monthly'
> > that all use the same disklist. But I don't understand how they could
> > conflict. They all have record set to yes. I don't archive the monthly
> > tapes, I overwrite them every 5 months.
> > 
> > Is it wrong to set all to record yes?
> > 
> That depends.  An incremental backup means that everthing that has changed 
> since the last lower level backup gets put on tape.  I.e., a level 1 backs 
> up everything touched since the last level 0.
> 
> Generally, to do a full restore, you need the last level 0 plus the most 
> recent level 1.  But, if all you have, e.g., is your daily tapes, and the 
> weekly config updates dumpdates, you may run into a situation where the 
> daily level 0 is older than the weekly level 0, so your daily level 0 plus 
> daily level 1 will be missing the stuff that changed between the run of 
> the daily level 0 and the weekly level 0.
> 
> Alright, that's all real confusing.  But, generally, any config that does 
> full dumps only shouldn't be updated dumpdates.

I forgot to mention that I do only level 0 for all 3 backup sets. So I
guess it doesn't matter in my situation, but I see how your example
could mess stuff up.

Thanks,
Brad

> 
> -- 
> Joshua Baker-LePain
> Department of Biomedical Engineering
> Duke University


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