> 
> On 02/11/11 14:30, David Noriega wrote:
> > I'm backing up our home directories, about 10TB. I haven't really
> > timed things out yet, so I'm not sure if a full backup would finish
in
> > time. But its the schedule the boss wants.
> 
> I guess you won't know until you try it.
> 
> Is the concern that the homedirs are all on one big server, and that
you
> therefore have a single 10TB dataset to scan for changes?  If that's
the
> case, one thing that other users have reported good results with is
> partitioning the homedirs into groups, so that you end up with say ten
> 1TB groups or even twenty 500GB groups, and back the groups up as
> separate jobs that run in parallel.  This can give you a big speedup
for
> incrementals, which typically spend most of their time scanning for
> changed files and relatively little actually backing up the changed
files.
> 

Is the speedup you are proposing because the different groups are on
separate physical disks and filesystems?

James

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