BackupPC-users

Re: [BackupPC-users] Pre-Install Question on "pooling"

2009-05-12 12:27:17
Subject: Re: [BackupPC-users] Pre-Install Question on "pooling"
From: Les Mikesell <lesmikesell AT gmail DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Tue, 12 May 2009 11:23:49 -0500
Skip Guenter wrote:
> 
> I am looking at installing backuppc.  I have one server that contains a
> mirror (RAID 1) drive.  This device (/dev/md0) contains a series of
> directories that are the mount point for several 'disk-less' clients
> (nfs mount point).  Across these directories is a great deal of
> duplication (OS images).  When I backup the server containing this drive
> will "pooling" be in effect for the multitude of duplicates across these
> directories all on the same machine (from that servers perspective)?

Yes, all files with duplicate content are linked to a common pooled copy 
regardless of where they were found. It doesn't matter whether or not 
they were on the same target - you'd also get the same effect from 
backing up the clients individually.  The files will all be copied over 
the first time even with rsync but the duplicates won't take additional 
storage space.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com

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