Date: Fri, 8 Mar 96 15:16:01 +0100 From: Jean-Marc Zucconi <jmz@cabri.obs-besancon.fr> To: dufault@hda.com Cc: freebsd-scsi@freebsd.org Subject: Re: MEDIUM ERROR: is my disk really dead ? Message-ID: <9603081416.AA19113@cabri.obs-besancon.fr> In-Reply-To: <199603081051.FAA08882@hda.com> (message from Peter Dufault on Fri, 8 Mar 1996 05:50:59 -0500 (EST))
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>>>>> Peter Dufault writes:
>> I have problems with a disk. I got media errors, and a losed a
>> partition, then a second, then a third... (in about 5 days).
>> So i reformatted the disk and I stressed it (I filled it 100 times in
>> 24hours - this is a 1GB disk) and got 'only' 6 errors:
>> Mar 7 04:12:48 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:9778b asc:3,0 Peripheral device write fault
>> Mar 7 04:28:35 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:939d6 asc:3,0 Peripheral device write fault
>> Mar 7 04:45:19 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:5e230 asc:3,0 Peripheral device write fault
>> Mar 7 04:45:43 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:6a205 asc:3,0 Peripheral device write fault
>> Mar 7 04:47:50 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:ad0b8 asc:3,0 Peripheral device write fault
>> Mar 7 06:05:49 qix /kk: sd2(ncr0:4:0): Deferred Error: MEDIUM ERROR info:199c70 asc:3,0 Peripheral device write fault
>>
> Make sure "AWRE" (automatic write reallocation on error) is on so your
> drive will map out that sector. You probably want ARRE on also. use the
> "scsi(8)" mode page editor.
I have AWRE and ARRE. It seems that only AWRE worked (the write errors
only occured at the beginning of the test)
:-(
Jean-Marc
> Peter
> --
> *** March 8, 1996: Our ISP is having problems. ***
> *** "hda.com" connectivity is now intermittent to nonexistent ***
> Peter Dufault Real-Time Machine Control and Simulation
> HD Associates, Inc. Voice: 508 433 6936
> dufault@hda.com Fax: 508 433 5267
_____________________________________________________________________________
Jean-Marc Zucconi Observatoire de Besancon F 25010 Besancon cedex
PGP Key: finger jmz@cabri.obs-besancon.fr
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