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Date:      Sat, 26 Jan 2008 07:54:35 +1100
From:      Peter Jeremy <peterjeremy@optushome.com.au>
To:        Chuck Swiger <cswiger@mac.com>
Cc:        Joe Peterson <joe@skyrush.com>, freebsd-stable@freebsd.org
Subject:   Re: "ad0: TIMEOUT - WRITE_DMA" type errors with 7.0-RC1
Message-ID:  <20080125205435.GS53741@server.vk2pj.dyndns.org>
In-Reply-To: <3803988D-8D18-4E89-92EA-19BF62FD2395@mac.com>
References:  <479A0731.6020405@skyrush.com> <20080125162940.GA38494@eos.sc1.parodius.com> <479A3764.6050800@skyrush.com> <3803988D-8D18-4E89-92EA-19BF62FD2395@mac.com>

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[-- Attachment #1 --]
On Fri, Jan 25, 2008 at 12:46:08PM -0800, Chuck Swiger wrote:
>On Jan 25, 2008, at 11:24 AM, Joe Peterson wrote:
>> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  
>> WHEN_FAILED RAW_VALUE
>>  1 Raw_Read_Error_Rate     0x000f   114   071   006    Pre-fail  Always    
>>    -       82422948
>[ ... ]
>> 
>>  7 Seek_Error_Rate         0x000f   084   060   030    Pre-fail  Always    
>>    -       286126605
>[ ... ]
>> 195 Hardware_ECC_Recovered  0x001a   063   046   000    Old_age   Always   
>>     -       166181300
>
>These numbers are quite worrysome-- they should be zero or nearly so in a 
>healthy drive.

I see similarly wierd values from a basically new drive.  I'm not sure
that there's a requirement that the raw values start from 0 and increment
on each detected event.

-- 
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.

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