Hello,

On 5/28/2007 10:50 AM, Rich wrote:
> On 2007.05.28. 10:55, Stefan Wintermeyer wrote:
>> Hi,
>>
>> we'd like to use Bacula as our one and only backup solution. But
>> we have a problem with all home-office-installations. They normaly
>> work with an asynchron DSL connection. It would take days to
>> backup to our normal backup server in the internet. And normaly they
>> only have a couple of hours during the night.
>>
>> Having a bright moment I thought: "hmmm... why don't we install
>> some sort of proxy at the home offices? People could backup their
>> stuff to the proxy and the proxy syncs with the central server.
>> Time wouldn't be such a big issue (even if it takes a couple of
>> days to sync)."

Only that you won't have reliable backups in your central office during 
that time :-(

> well, maybe clustered bacula servers might be helpful here, if those 
> ever get implemented ;)
> 
> currently your best bet probably is to use rsync at some point, which 
> would work nicely for syncing.

Yup.

I'd do that like this:

Set up an SD on the home workers computers. Send their backups to the 
local SD only.
Set up the local SDs to write only small files.
Use rsync to sync these volumes to your central backup server. As there 
are only small files, the overhead for rsync shouldn't be too bad.

Or rsync your whole computers to your central office and backup from 
there. Restores would then need additional effort.

>> Has anybody a solution for that problem?

This is adifficult setup. I don't think a perfect solution is possible - 
my work-around from above, for example, requires extra work if you need 
to restore from the centrally located volumes (importing the volmes into 
the catalog).

Another possible solution might be to take a full backup after you set 
up the home computers in your central facilities and only run 
incremental or differential backups when the machines ore off-site. This 
leaves a certain amount of unreliability, because you might miss files 
(especially relocated ones) in your backups.

You could also set up a local SD at the home offices which would be used 
for full backups to a removable hard disk which would then be mailed to you.

Or get a better network to your home offices :-)

Hmm, there are many possibilities, it seems. Which one fits your needs 
best is difficult to decide without more detailed information, I guess.

Arno

>>   Stefan
> ...

-- 
IT-Service Lehmann                    [EMAIL PROTECTED]
Arno Lehmann                  http://www.its-lehmann.de

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