If your daily modified data can fit into an LTO3 (about 600GB in my
experience), may be you can set an incremental forever policy for your
schedule. 
Usually restore requests on file servers refer to a file or directory,
so only one tape is necessary to accomplish the job. Of course, in case
of a disaster, you'll need to mount all the volumes to retrieve last
copy of data.

Massimo


On Thu, 2009-03-12 at 11:14 +0100, francisco javier funes nieto wrote:
> Hi all...
> 
> 
> I've a server with Bacula 2.4.4 that it's running a Samba share in
> Debian Etch. 
> 
> 
> I want to make a Tape Backup (LTO3) of the data in this Samba share
> (about 1TB) but I cannot change the tape for filling all the data in
> the night because the office is closed. In the day, the samba share is
> continuously changing and the backup is not possible.
> 
> 
> There's a solution like VSS for Linux to make a copy or snapshot of
> the data an the backup this while the original share is changing?
> 
> 
> The share is a LV in a LVM group. I've read about LVM capability of
> clone LV's but if the data grows I'll have not enough space in the
> server for cloning the data LV to make the backup before.
> 
> 
> Setting compression (Hard or Soft) maybe don't fills my 1TB of data
> into the LTO3 cartdrige, then... 
> 
> 
> I've a problem with this solution..
> 
> 
> What's the suggestion you make for this situation?
> 
> 
> Thanks
> 
> 
> 
> 
> p.d: sorry 'bout my english it's very rusty ...
> 
> -- 
> _____________________________________________
> 
> Francisco Javier Funes Nieto [esencia AT gmail DOT com]
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Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are
powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
easily build your RIAs with Flex Builder, the Eclipse(TM)based development
software that enables intelligent coding and step-through debugging.
Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
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