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Re: [mtools] mcat with DD disk

From: Alain Knaff
Subject: Re: [mtools] mcat with DD disk
Date: Sat, 5 Jul 2003 11:33:01 +0200
User-agent: KMail/1.5.1

On Monday 23 June 2003 00:37, Johannes Simon wrote:

> Hi,
> I just subscribed to this list to report an error mit mcat:
> I used
> mcat a: > disk.img
> on a DD disk with mtools 3.9.9 on a i386/debian/unstable system.
> After performing well for a while a read error occured (I suppose mcat
> expected a HD disk); the error message was repeated several times

I've made a new patch (mtools-3.9.9-20030705.diff.gz) which should
address this problem.

> until mcat began to flood my harddisk: The second time I did this
> experiment (I don't want to do it again) I watched the size of the
> disk.img file growing suddenly (!) over 1GB (on a
> Reiserfs-partition). After succeeding in killing mcat (all system
> ressources were used for the harddisk) I did
> rm disk.img ,
> but this task didn't stop and I couldn't kill it any more (kill -9, as
> root). Strange....
> My harddisk had a few inconsistencies after that ;-)

If you're worried about system integrity, you may limit file size to 2
Megs before testing the patch for the first time, using the following
shell command:

 ulimit -f 4000k 



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