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Date: Mon, 3 Dec 2001 11:23:40 +0100
From: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Journaling pointless with today's hard disks?
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On Tue, 27 Nov 2001, Pavel Machek wrote:

> > Note, the specifications say that the write cache setting is ignored
> > when the drive runs out of spare blocks for reassignment after defects
> > (so that the drive can return the error code right away when it cannot
> > guarantee the write actually goes to disk).
> 
> They should turn off write-back after number-of-spare-block < cache-size,
> otherwise they are not safe.

I don't know exactly what they're doing, but they also need to safeguard
against defective spare blocks, so number-of-space-blocks < cache-size
is not sufficient.
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