BackupPC-users

Re: [BackupPC-users] improving the deduplication ratio

2008-04-28 23:17:58
Subject: Re: [BackupPC-users] improving the deduplication ratio
From: Kenneth Porter <shiva AT sewingwitch DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Mon, 28 Apr 2008 20:16:55 -0700
--On Wednesday, April 09, 2008 4:32 PM +0200 Ludovic Drolez 
<ldrolez AT debian DOT org> wrote:

> I've seen in some commercial backup systems with included
> deduplication (which often run under Linux :-), that files are split in
> 128k or 256k chunks prior to deduplication.

Just to name one: Windows Home Server (WHS). I was asking on one of the MS 
newsgroups (Small Business Server) about what they use for backup, and many 
were using WHS in small business environments precisely because of the high 
degree of compression when backing up multiple workstations. When I went to 
look at the WHS features it immediately reminded me of BPC, but with the 
file chunking added.



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