Backing up multiple user data

[Janina Sajka]

The more I think about it it seems you can do this quite securely using
either ssh -R and/or ssh -L pipes.

Luke Davis writes:
> 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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> >
> >
> 
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-- 
	
				Janina Sajka, Chair
				Accessibility Workgroup
				Free Standards Group (FSG)

janina at freestandards.org	Phone: +1 202.494.7040