BackupPC-users

Re: [BackupPC-users] Duplicate files in pool with same CHECKSUM and same CONTENTS

2008-10-30 08:13:15
Subject: Re: [BackupPC-users] Duplicate files in pool with same CHECKSUM and same CONTENTS
From: Tino Schwarze <backuppc.lists AT tisc DOT de>
To: backuppc-users AT lists.sourceforge DOT net
Date: Thu, 30 Oct 2008 13:11:34 +0100
Hi Holger,

On Thu, Oct 30, 2008 at 12:11:43PM +0100, Holger Parplies wrote:

> > I'm not sure though, how the file name is derived,
> 
> It's in the docs. Up to 256 KB of file contents (from the first 1 MB) and the
> file length are taken into account, so it's quite easy to produce hash clashes
> if you want to: take a file > 1 MB and change the last byte. BackupPC resolves
> them and they're probably infrequent enough not to be a problem (and you get
> to see whether they are on the status page). Taking the length (of the
> uncompressed file) into account avoids things like growing logfiles from
> causing problems.

Thank you for the clarification!

Tino, hever having bothered about that before. ;-)

-- 
"What we nourish flourishes." - "Was wir nähren erblüht."

www.lichtkreis-chemnitz.de
www.craniosacralzentrum.de

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