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Date: Wed, 19 Jun 2002 14:51:54 +0200
From: Andries Brouwer <aebr@win.tue.nl>
To: Dave Jones <davej@suse.de>, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: /proc/partitions broken in 2.5.23
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References: <20020619090248.GA8681@suse.de> <20020619113233.GA15730@win.tue.nl> <20020619134402.B29373@suse.de>
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On Wed, Jun 19, 2002 at 01:44:02PM +0200, Dave Jones wrote:

> hda2 is odd looking too showing a #blocks of '1', when
> it's actually..
> 
>    Device Boot    Start       End    Blocks   Id  System
> /dev/hda2           234     58168  29199240    5  Extended 

That is correct, and something I did before you were born.

An extended partition is a box containing logical partitions.
It is almost always an error when people want to write directly to it
(confusing the extended partition with some logical partition inside).
After a number of reports of people who messed up their disk
by doing mkswap or mkfs on an extended partition I changed
the length of an extended partition to 1 block, enough for LILO
but stopping mkswap and mkfs.
People who really want to access these blocks, like e.g. fdisk,
can do so via /dev/hda.

Andries

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