With rsync --link-dest, how can you tell how much space is actually used?

Kevin Korb kmk at sanitarium.net
Sat Oct 22 21:43:09 MDT 2011

Hash: SHA1

du -shc backup1 backup2 ...............

du -s will not count the same file twice even if it appears 50 times.

On 10/22/11 23:32, Eric Shubert wrote:
> On 10/22/2011 12:32 PM, Kevin Korb wrote:
>> 2.  I wanted to know what files were unique to a backup and therefore
>> consuming disk space and why they were different.
> Which begs another question that I've struggled a bit with lately.
> I've considered making a series of snapshots by using --link-dest, and
> moving(/copying) the backup directory prior to (in between) each run.
> Once that's done, and there are several snapshots and thus files with
> link counts of up to the number of snapshots, how can I tell how much
> space is being used by all of the snapshots (and current backup) put
> together, counting each file only once. du doesn't appear to cut it. ;)
> I think I have a solution, but am curious to know what others may think
> of the problem.

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