Re: Dump corrupts ext2?

From: H. Peter Anvin (
Date: Wed Oct 10 2001 - 18:28:24 EST

Followup to: <>
By author: Lew Wolfgang <>
In newsgroup:
> Hi Folks,
> I was looking for some scripts to backup ext2 partitions
> to multiple CDR's when I stumbled onto "cdbackup" at
> 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.


<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot."	<>
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