Christian,

Here is a good post on Full vs. Incremental from a year ago.  In
particular, check out the two threads that Holger links to.

http://www.mail-archive.com/backuppc-users AT lists.sourceforge DOT 
net/msg06101.html

-Rob

Christian Völker wrote:
> Yohoo!
> 
> |> I keep repeating this, so you might all be bored, but still:
> No, definetly not bored. For this it looks like it's too complicated :-\
> 
> |> When you factor pooling into the equasion, this means that the difference
> |> between rsync full and incremental backups is smaller than for tar/smb
> |> backups, which is yet far smaller than for tape backups for instance.
> Or, the
> |> other way around, for tape backups the difference is obvious, for
> tar/smb you
> |> can still see it clearly, while for rsync backups you have to look
> through a
> |> microscope. But it's still the same difference, and it's still there.
> | I like that explanation! :-) IMHO it should go to the Wiki.
> 
> I would prefer to have a more detailled explanation for this. As I want
> to understand what's going on it's not helpfull to compare things
> instead of giving examples.
> 
> So WHAT it the difference between an rsync full and incremental backup?
> What CAN be the microscopic differences?
> Let's say I have a running Linux server which I back up through rsync
> with default settings and I already have one successful full backup.
> 
> There are now two parts to look at:
> 1. The backup process itself
> 2. The stored backup
> 
> So what are the differences now between a full and incremental one?
> 
> Greetings
> 
> Christian

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