Hey Adam, thanks for your quick response. I have a few points to
add:

> 1) Ensure you enable SSH keepalives to keep your NAT firewall open

Yes, of course these are enabled.

> 2) You can look to split remote files before the backup, and exclude the
> original large files (sometimes this is helpful anyway, because some of
> the chunks will not change, I do this with sql server dumps, ensure you
> don't compress them though, or else every chunk will 100% change)

This is unfortunately not a scalable solution (just like excluding
some files to let the backups complete stepwise isn't either).

> 3) Ensure that you can backup any file within the ClientTimeout,

Is this necessary? Isn't ClientTimeout about killing the connection
after a period of time without any traffic?

> The problem is backuppc will not accept a partial file, either the
> full file is received/saved in the partial backup, or none of the
> file is saved. I don't expect this will change.

I don't think it can change. But if I have three huge files, and the
backup always dies half way through the second, then I would hope
that BackupPC learnt to reuse the first, already transferred file
instead of repeating the same thing as the day before and failing
half way through the second file again… I think this is the core of
the problem, somehow… it does not seem like partial backups get
updated on resume…

-- 
@martinkrafft | http://madduck.net/ | http://two.sentenc.es/
 
"da haben wir es also: eine kirchliche ordnung mit priesterschaft,
 theologie, kultus, sakrament;
 kurz, alles das, was jesus von nazareth bekämpft hatte..."
                                                 - friedrich nietzsche
 
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