Just out of curiosity, the external backup drive does support hard links, right?  If a file system doesn't support hard links, what does rsync do?  Perhaps it silently fails and writes out the file.  Also, isn't there a way to mount a file system such that it won't accept hard links?  If that's true, it would be something else to check.
 
You could also see if hard links are really being used by simply going to your external drive and finding a file in your .../backuppc/pc/<backup num> directory.  Probably go down another directory past the share and find any file (not directory).  It should have a link count of at least 2.
 
- Wade
 
 
 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jon Scottorn
Sent: Tuesday, December 20, 2005 3:39 PM
To: backuppc-users@lists.sourceforge.net
Subject: Re: [BackupPC-users] Cpool question

Just everything within the cpool directory.  All other directories match up the same in size.

On Tue, 2005-12-20 at 16:34 -0500, Paul Fox wrote:
 > > >
 > > > I confess I haven't searched the archives to see if
 > > > anybody has suggested cp in the past :-)
 > >
 > > they have.  :-)
 ...
 > But then, I recently copied a directory full of hardlinks (originally
 > created with storeBackup, a similar but simpler backup utility I use at
 > home), over NFS, and then mv'd it locally to a different partition, and in
 > both instances hardlinks were preserved. Also, the info page for mv says
 > that it uses some of the same code as cp -a.
 > 
 > So the question now is, in what circumstances does cp work or not work?

i'm sure it's a matter of scale.  the backuppc pool contains 1000's of
hard-links, and preserving them through a copy is a hard problem.  and
one that isn't a design center for most copying programs.

for the original poster:  have you looked for what exactly is causing
the space on your external drive to be chewed up?

paul
=---------------------
 paul fox, [EMAIL PROTECTED] (arlington, ma, where it's 24.8 degrees)


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Jon Scottorn
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The Possibility Forge, Inc.
http://www.possibilityforge.com
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