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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: Dump corrupts ext2?
Date: 10 Oct 2001 16:28:24 -0700
Organization: Transmeta Corporation, Santa Clara CA
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Copyright: Copyright 2001 H. Peter Anvin - All Rights Reserved
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Followup to:  <Pine.LNX.4.33.0110101558210.7049-100000@train.sweet-haven.com>
By author:    Lew Wolfgang <wolfgang@sweet-haven.com>
In newsgroup: linux.dev.kernel
>
> Hi Folks,
> 
> I was looking for some scripts to backup ext2 partitions
> to multiple CDR's when I stumbled onto "cdbackup" at
> http://www.cableone.net/ccondit/cdbackup/.
> 
> Alas, there is a warning saying:
> 
> "WARNING! When using this program under Linux, be sure not to use
>  dump with kernels in the 2.4.x series. Using dump on an ext2
>  filesystem has a very high potential for causing filesystem
>  corruption.  As of kernel version 2.4.5, this has not been
>  resolved, and it may not be for some time."
> 
> I don't recall any problems like this, does anyone have
> additional comments?
> 

Not really surprising... doesn't dump expect to be able to read a rw
mounted filesystem by reading the raw device and get the data off it?
Doesn't work.

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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