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

Eric Shubert ejs at shubes.net
Sat Oct 22 21:49:15 MDT 2011

How sure are you of that? I guess I assumed that -s would simply 
summarize the total for each directory entry. Should probably do a test 
to see if that's indeed true or not.

-Eric 'shubes'

On 10/22/2011 08:43 PM, Kevin Korb wrote:
> 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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