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Date:      Tue, 3 Jun 2003 11:32:06 +0200
From:      Stefan Bethke <stb@lassitu.de>
To:        Andreas Klemm <andreas@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: whats an UDMA ICRC error ?
Message-ID:  <3D9375F6-95A6-11D7-A28C-000393496BE8@lassitu.de>
In-Reply-To: <20030603055718.GA4763@titan.klemm.apsfilter.org>

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Am Dienstag, 03.06.03, um 07:57 Uhr (Europe/Berlin) schrieb Andreas 
Klemm:

> ad2: UDMA ICRC error cmd=read fsbn 74689079 of 74689079-74689206 
> retrying
> ad2: UDMA ICRC error cmd=read fsbn 74689079 of 74689079-74689206 
> retrying
>
> What exactly does an UDMA ICRC error mean ?
> I think this is simply a read error.
> AFAIK an IDE disk doesn't have spare sectors or am I wrong ?
> How severe is this error ? What do you think ??

IDE disks have (hidden) spare sectors, and will transparently remap 
sectors as long as they have spare ones left.

If the drive reports errors ("hard error reading fsbn..."), then it 
likely has run out of spare sectors, and probably will die soon.

-- 
Stefan Bethke <stb@lassitu.de>   Fon +49 170 346 0140



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