Backing up multiple user data

[Luke Davis]

Janina

Yes, tar does have those capabilities, and I have used it for exactly this 
purpose.  It's only drawback in this regard, is the need for the 
intermediate step, of storing the archived data locally, while the copy is 
in progress.
Rsync does the transfer in (near) realtime, so does not have that problem.

Now, if I had a ten GB partition to backup, and 8 GB was available, then 
there would be no problem using tar.  However, if you flip that, to 8 GB 
used, even with compression, tar isn't going to cut it, without some 
really intricate juggling.


  On Tue, 28 Sep 2004, Janina Sajka wrote:

> Good morning, Luke,
>
> Isn't this another job for tar? I see a -p for preserve permissions, as
> well as a --same-owner switch.
>
> It would seem that exactly this situation would have been a common user
> requirement historically for tar.
>
> Luke Davis writes:
>> If rsync is used to backup data for multiple users, on to a system whereon
>> the recipient for the files, is a single user, rsync will, of course, set
>> the user and group of all files, to the recipient user.
>>
>> If dealing with a large number of users, it is less than ideal, to create
>> all of the users on the target backup server.
>>
>> Is there any way to do such backups, in the rsync method, while still
>> preserving ownership data, but without creating all of the users involved?
>> Some sort of meta ownership data.
>>
>> If not, what might be another method of doing this?
>>
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>
>