Christian Neumann wrote:
> 
> In the past we've used programs like snapback to do only once a full backup
> and subsequently just store the differences. This approach has several
> limitations and that's why we are looking into alternatives. (Disclaimer: I
> don't want to start (yet another) discussion about the pro/cons). But for us
> a total file storage size with a couple of TB a full backup takes a few
> days. Therefore we can't easily afford running a full backup every 1 or 2
> weeks.

Can you break it into subdirectory runs at logical points?  If so, you can make 
it look like different hosts with different schedules for the fulls, using the 
clientalias feature to point back to the same server. I think you'll be happier 
if you can make the fulls complete in a night.  Otherwise, maybe you can get 
the 
schedule to hit weekends.

>> Incremental backups are there for gaining a speed advantage - 
>> an advantage that will allow you to make daily (or hourly or 
>> whatever) backups. 
> 
> You've said it. I was interested in the speedup (and I know e.g.
> http://www.mail-archive.com/backuppc-users AT lists.sourceforge DOT 
> net/msg04341.ht
> ml)

As a last resort, you might edit the code so it doesn't add the --ignore-times 
option on full runs which is the main reason an rsync full takes longer than an 
incremental.  But you probably do want that consistency check once in a while.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com


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