BackupPC-users

Re: [BackupPC-users] merge host from one pool into another pool

2008-11-18 16:20:06
Subject: Re: [BackupPC-users] merge host from one pool into another pool
From: Michael Kuss <MichaelKuss AT web DOT de>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Tue, 18 Nov 2008 22:18:09 +0100
> -----Ursprüngliche Nachricht-----
> Von: "Adam Goryachev" <mailinglists AT websitemanagers.com DOT au>
> Gesendet: 18.11.08 10:53:36
> An:  questions and support" <backuppc-users AT lists.sourceforge DOT net>
> Betreff: Re: [BackupPC-users] merge host from one pool into another pool


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> dan wrote:
> > I have done this on a small setup a while ago.  I just pulled over the
> > pc directory from one into the other and adjusted my config files for
> > the imported backups..  aditionally I made an error when copying and
> > brought over numeric user ids for the files and had to chown them.  Im
> > not sure if the nightly run will handle the typical deduplication or
> > not.  I never checked.
> > 
> > so..yet you can merge them but I am not sure if you get deduplication in
> > the next nightly run...
> 
> You would not get proper de-duplication... basically you keep the
> de-duplication amongst the files you copy across, but because you are
> not linking those files to the pool, you don't get any de-dupe between
> the existing files in the pool and the new files you just copied across
> under the pc dir.
> 
> Also, what is potentially worse, is the next backup will store another
> duplicate for each file (because it doesn't exist in the pool). However,
> the good news is that nothing should break by doing this, except you use
> up additional disk space.
> 
> Finally, someone recently questioned what would happen if they moved the
> pc dirs across one backup at a time, and then ran backuppc_link... I
> don't recall seeing any response/answer to that, but it sounded like a
> very sensible method to combine two backuppc systems...

Hi,

I asked this, in this thread.  Anyway, I would like to thank the three folks 
who replied for their suggestions.  Before Friday, I will be unable to try 
anything out, so please be patient.

Regards,

Michael

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