whats an UDMA ICRC error ?

[Andreas Klemm]

On Tue, Jun 03, 2003 at 11:32:06AM +0200, Stefan Bethke wrote:
> 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.

o.k., but this is luckily not the case now ;-)

On Tue, Jun 03, 2003 at 12:52:01PM +0200, Frank Nobis wrote:
> Andreas Klemm <andreas at freebsd.org> writes:
> 
> Hallo Andreas,
> 
> > Hi,
> > 
> > my console today shows the following error message from
> > my disk:
> > 
> > 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 ??
> > 
> 
> ich hatte genau diese Fehler vor einiger Zeit, als ich auf ATA 100
> Platten umgestiegen bin. Die Fehler sind sofort verschwunden als ich
> mit richtigen UDMA100 Kabeln die Platten angeschlossen hatte.

Well, will have to check cabling, this was also an answer I 
got on this topic.

Thanks to you all

	Andreas ///

-- 
Andreas Klemm - Powered by FreeBSD 4.8-STABLE
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