Are these dependencies limited by the group?

For example: if the fulls are done in a Weekly group while the incrementals are 
done in a Daily group and they go to different pools, will there be any 
dependency on the Weekly full by the Daily incrementals?


Preston de Guise wrote:
> On 27/11/07 9:56 AM, "ct2msb" <networker-forum AT BACKUPCENTRAL DOT COM> 
> wrote:
> 
> 
> > The volumes in question are part of a daily pool and they just have
> > incremental backups on them. Plain old incr incrementals, no numbers. So 
> > there
> > shouldn't be any dependency, if I understand your answer.
> > 
> > Is there anything else that could be keeping all of the savesets from being
> > recyclable and thus keeping the volume from being recyclable?
> > 
> > 
> 
> That's not entirely correct. Incremental backups do experience dependencies.
> An incremental done on night X will depend on the incremental done on night
> X-1, etc.
> 
> I.e., if you have a week's worth of backups, with one full and 6
> incrementals, the dependency chain (reading "a <- b" as "b depends on a")
> would read:
> 
> full <- incr <- incr <- incr <- incr <- incr <- incr
> 
> I.e.:
> 
> - The first incremental after the full depends on the full.
> - The second incremental depends on the first incremental, and thus in turn
> also depends on the full.
> - The third incremental depends on the second incremental, and thus in turn
> depends on the first incremental, and thus in turn depends on the full.
> 
> Remember that dependencies are for total filesystem restoration, and thus
> dependencies will exist on a tape which only has incrementals.
> 
> Cheers,
> 
> Preston.
> 
> -- 
> http://www.anywebdb.com
> http://enterprise.backup.googlepages.com
> 
> 
> via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER


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