> When i do run "a du -hs on the clients folder under the pc dir" is the result 
> of that the amount of file storage the client is using (what could be shared 
> by others)
>
> For example, I have comA and comB that both have the same 2GB file backed up. 
> du -hs on both of their folders will result in...
>
> comA 2GB
> comB 2GB
>
> ...and for the pool...
> Total 2GB (as the two files above point to the same file via hard links)

also might want to bear in mind that the client may have files that
are identical but not hardlinked.  backuppc will deduplicate, and
unless you unravel all those details, your calculations may be off a
bit.

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