Date: Fri, 23 Oct 1998 07:30:56 +0200 From: Andreas Braukmann <braukmann@tse-online.de> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: bad sectors Message-ID: <19981023073056.E365@paert.tse-online.de> In-Reply-To: <199810222310.RAA19256@panzer.plutotech.com>; from Kenneth D. Merry on Thu, Oct 22, 1998 at 05:10:02PM -0600 References: <19981022233738.J1126@paert.tse-online.de> <199810222310.RAA19256@panzer.plutotech.com>
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Hi Ken,
On Thu, Oct 22, 1998 at 05:10:02PM -0600, Kenneth D. Merry wrote:
> Andreas Braukmann wrote...
> > from dmesg:
> > da1 at ncr0 bus 0 target 1 lun 0
> > da1: <IBM DDRS-39130W S92A> Fixed Direct Access SCSI2 device
> > da1: 40.0MB/s transfers (20.0MHz, offset 15, 16bit), Tagged Queueing Enabled
> > da1: 8715MB (17850000 512 byte sectors: 255H 63S/T 1111C)
> >
> > any hints? is it my fault? the drive's fault?
>
> Try a different format (the other choices are 'bfi' and 'block'). Some
> drives don't support all of the different formats.
Hmmm. The results:
paert# camcontrol defects -v -n da -u 1 -f block -P
error reading defect list: Input/output error
CAM status is 0
paert# camcontrol defects -v -n da -u 1 -f phys -P
error reading defect list: Input/output error
CAM status is 0
paert# camcontrol defects -v -n da -u 1 -f bfi -P
error reading defect list: Input/output error
CAM status is 0
IMHO strange. I get the same for '-G'.
> the command line, you'll get sense information that will tell you why the
> command is failing.
hhm. The i/o ist failing, but camcontrol doesn't print any sense information.
Two questions arise:
a) Are the IBM drives supposed to deliver the requested error
information?
b) I might build a kernel with some CAM-debug options. Would this
be helpful.
Thanks,
Andreas
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