On Wed, Nov 10, 2010 at 08:12:51PM +1100, James Harper wrote:
> > > on 07.11 (1st Sunday) bacula did a fullbackup like expected. Next monday
> > > a incremental like expected. On the following tuesday bacula made
> > > a fullbackup instead of the incremental, because he didn´t find a prior
> > fullbackup in the catalog.
> > >
> > > The fullbackup on the 7th was the second fullback. The first one was the
> > > initial fullbackup after the setup and start with bacula.
> > >
> > > Where do i have to search for the problem?
> > 
> > Bacula relies heavily on your clock being correct.
> > If your clock went backwards since it did the first full, it won't be able 
> > to
> > find the first full.
> > 
> > Also, if your retention for your first full has expired, it will purge it
> > even though another backup depends on it existing.
> > So perhaps your retention for your first full was too low.
> > 
> 
> Hmmm... it never occurred to me before but mucking around with the clock on 
> your director could seriously mess with your day! Advancing the clock by one 
> year by mistake would probably purge most peoples catalogues.


I've thought about it before, and posted my thoughts on the devel list, on
a thread called 'bconsole restore bug - option 12', starting here...
http://marc.info/?l=bacula-devel&m=125302334920002&w=2
...and continue to worry about it.

I still think that getting rid of bacula's dependence on clocks, and having
a 'this job depends on jobid x' field would fix a host of problems.

I can see that maintaining continuity with, or migrating from previous bacula
versions would be difficult. But I think the move would be best in the long
term.


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