Re: Dump corrupts ext2?
H. Peter Anvin (hpa@zytor.com)
10 Oct 2001 16:28:24 -0700
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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