[Discuss] du question

[dsr at randomstring.org (Dan Ritter)]

On Thu, Jun 08, 2017 at 01:26:00PM -0400, dan moylan wrote:
> 
> dan ritter writes:
> > On Thu, Jun 08, 2017 at 11:48:52AM -0400, dan moylan wrote:
> 
> > > looking at the sizes of the directories created by
> > > backintime i am puzzled by a directory which shows up as
> > > 86M in one instance and 35G in another.  can someone
> > > please explain what's going on.
> 
> > I don't know backintime, but I'm guessing it uses links to
> > do file-level snapshots. Bet there's a FAQ.
> 
> yes, true enough, and i understand that.  it's the performance
> of du that i don't understand -- look at the two cases:

....

> now why is that?

Because hardlinks. Explained in a FAQ. I googled "backintime
faq" and got a faq which said to try this:

du -hd1 /media/<USER>/backintime/<HOST>/<USER>/1/

-dsr-