[Dirvish] Question about UIDs and GIDs

Joe Aquilina joe_linux at westnet.com.au
Thu Aug 16 06:43:07 UTC 2012


At 09:13 PM 15/08/2012, you wrote:
>Paul Slootman wrote:
> > On Wed 15 Aug 2012, Dave Howorth wrote:
> >> The important take-home message is that the numerical IDs are what
> >> count. The names are just 'sugar' for humans and don't really 
> mean anything.
> >
> > I feel compelled to mention here that this is valid in dirvish context,
> > as dirvish supplies rsync with the --numeric-ids option; rsync's default
> > is to try to map names on the source and destination.
>
>Wow, I never even realized that. Mostly because all my machines share
>uids. Seems like a broken rsync default, if you ask me, but then what do
>I know? :)


And I have no idea what you mean by a broken rsync default. My 
experiments have shown me that across the backups and restores I have 
done in the past few days, the numeric ids have been preserved, just 
the name mappings from those ids change. So I am happy that the 
default dirvish generated rsync command does the job as intended. I 
haven't tried a restore without also using the -numeric-ids option in 
rsync so I don't know what would happen in that case. Not sure I want 
to find out, it might mean a lot more work for me than I want!

Joe


>Cheers, Dave
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