Message-ID: <445F64E2.3000902@dgreaves.com>
Date: Mon, 08 May 2006 16:33:54 +0100
From: David Greaves <david@dgreaves.com>
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To: Andries Brouwer <Andries.Brouwer@cwi.nl>
Cc: "Mike Miller (OS Dev)" <mikem@beardog.cca.cpqcorp.net>,
       linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] make kernel ignore bogus partitions
References: <20060503210055.GB31048@beardog.cca.cpqcorp.net> <20060508072701.GB15941@apps.cwi.nl>
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Andries Brouwer wrote:
> On Wed, May 03, 2006 at 04:00:55PM -0500, Mike Miller (OS Dev) wrote:
>   
>> Patch 1/1
>> Sometimes partitions claim to be larger than the reported capacity of a
>> disk device. This patch makes the kernel ignore those partitions.
>>     
> Or, while doing forensics on a disk one copies the start to some
> other disk, and that other disk may be smaller.
> Etc.
>
> So, it seems that Linux loses a little bit of its power when such things
> are made impossible.
>   
I've had similar situations when trying to recover data from failed devices.
Equally - if you don't know what's going on then partition/disk size
mismatch is a bad thing.
A loud warning may be more appropriate (and useful) than an ignore.

David
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