On Tue, Nov 5, 2013 at 4:25 PM, <[email protected]> wrote:
>
>>>
>>> Yeah, I know, we're trying to move stuff around, that's not infrequent,
>>> given the amount of data my folks generate.
>>
>> And that's the other place that backuppc will help. If you move a
>> file that is already in an existing backup, backuppc's rsync will copy
>> it over the network because it doesn't have a match in that location,
>> but when it goes to add the compressed copy to the pool it will notice
>> that there is already a file with identical content there and use a
>> hardlink instead of needing additional space.
>>
>
> Um, but rsync will already do that.
No, rsync itself will only do it when the identical file is still in
the identical path from the identical host.
> Anyway, when I mean move things, I
> meant whole backups to a less-full drive, or the much rarer times that we
> need to move a user who's using a *large* amount of space.
Backuppc will match up identical content, no matter where it finds it.
If it is a different copy or moved to a different location it does
have to transfer it to the backuppc server, but then it will be
discarded and replaced with a link to the existing pooled copy.
--
Les Mikesell
[email protected]
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