Re: Numerical owners

Hi,

sorry if this is a silly question but: how am I supposed to restore the
actual names? Should I remember all of them?

And what happens if a UID in the backup conflicts with an existing UID ?
Let' say UID=75 in the archive is user svn while in the archive UID=75
was user rsync, how I handle this?

Thanks for your answers,

Manuel.

PS: please, CC me, I am not in the list.



> Numerical owners
> From: Wiebe Cazemier <halfgaar@gm...> - 2006-03-26 14:39
>  
>  Denis,
>  
>  I have a request for a non-feature :). Please, never implement mapping
>  UIDs and GIDs to names. Rdiff-backup didn't use to do it, but it does
>  now. The author implemented an option to preserve numerical ids on my
>  request, but it's not default behaviour. Tar, rsync and rdiff-backup all
>  three map to names by default, but fall back to UID's when no name is
>  found.
>  
>  But because it's very likely you'll be restoring a dar backup from a
>  livecd, which has different UIDs-to-names matches than the system you
>  backed up, it's very easy to mess up your entire system when
>  restoring/making a backup. If the "bin" user for example has a different
>  UID on the livecd, the files will have the wrong owner once you boot
>  into your restored system.
>  
>  In my opinion, the backup should be as low-level as possible by default,
>  to avoid making a mistake by forgetting an option. As far as I know, dar
>  is the only backup program which is robust enough in that manner, and
>  thefore the best program to use for system backups. The irony is, that
>  it's not that well-known a backup tool als rdiff-backup, rsync and tar.
>  So, a lot of people will have incorrect backups, or accidently make a
>  mistake and forget the --numerical option upon restoration.
>  


		
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