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Subject: Re: [PATCH 000 of 5] md: Introduction
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: sander@humilis.net
Cc: Michael Tokarev <mjt@tls.msk.ru>, Ross Vandegrift <ross@jose.lug.udel.edu>,
       linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
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Date: Wed, 18 Jan 2006 09:03:22 +0000
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On Mer, 2006-01-18 at 09:14 +0100, Sander wrote:
> If the (harddisk internal) remap succeeded, the OS doesn't see the bad
> sector at all I believe.

True for ATA, in the SCSI case you may be told about the remap having
occurred but its a "by the way" type message not an error proper.

> If you (the OS) do see a bad sector, the disk couldn't remap, and goes
> downhill from there, right?

If a hot spare is configured it will be dropped into the configuration
at that point.