merging rdiff-backups?

[Gregor Zattler]

Hi Ben,
* Ben Escoto <bescoto@stanford.edu> [28. Aug. 2002]:
> >>>>> "GZ" == Gregor Zattler <texmex@uni.de>
> >>>>> wrote the following on Wed, 28 Aug 2002 13:02:05 +0200
> 
>   GZ> Hi, until now i rdiff-backup my "/home".
> 
>   GZ> Now i plan to rdiff-backup "/" too (with "/home" (and with or
>   GZ> without "/var" and "/usr")).  Is it possible to merge the old
>   GZ> rdiff-backups for "/home" to the new rdiff-backup for "/" or to
>   GZ> use it as a "seed"?
> 
> It's possible, but you will have to do it "manually", and it's kind of
> a pain.  Suppose you ran:
> 
>     rdiff-backup /home /backup
> 
> Then you would:
> 
>     mv /backup /tmp
>     mkdir /backup
>     mv /tmp/rdiff-backup-data /backup
>     mv /tmp /backup/home
>     
>     cd /backup/rdiff-backup-data
>     mv increments tmp
>     mkdir increments
>     mv tmp increments/home

this sounds reasonable.
 
> And now look at all the increments.<time>.dir files in
> /backup/rdiff-backup-data.  For each one, rename it to
> /backup/rdiff-backup-data/increments/home.<time>.dir, 

uuups.

> and then touch a
> new increments.<time>.dir file in the same place, but this time make
> sure it has the same ownership and permissions as your root
> directory.  Now you can run:
> 
>     rdiff-backup / /backup
> 
> and the /home information will still be available.  (Hmm, of course
> you really shouldn't run that, or at least --exclude /backup first.)
> 
>     I think this should work, but it is off the top of my head so I
> may be forgetting some steps.

Thanks for your explanation.  I will test it, when i have spare
time.  I then will report my succes (hopefully).


Ciao, Gregor
-- 
"The future is here. It's just not widely distributed yet."
-- William Gibson