Re: trouble with seagate 1.5TB - 2.6.27.4

[Tejun Heo <tj@kernel.org>]

kyle wrote:
> ----- Original Message ----- 
> From: "Mark Lord" <liml@rtr.ca>
> To: "James Andrewartha" <jamesa@daa.com.au>
> Cc: "kyle" <kylewong@southa.com>; <linux-ide@vger.kernel.org>
> Sent: Wednesday, November 05, 2008 1:06 PM
> Subject: Re: trouble with seagate 1.5TB - 2.6.27.4
> 
> 
>> James Andrewartha wrote:
>>> kyle wrote:
>>>> Please cc me if possible.
>>>>
>>>> I just built a new server with some seagate 1.5TB harddisks with
> mirrored
>>>> /boot and root partition , The system sometime degrade the root
> partition
>>>> with error message as follow, this happened 4 times within 2 days.
>>> It appears that model of drive is broken:
>>>
> http://forums.seagate.com/stx/board/message?board.id=ata_drives&thread.id=2390
>>> http://www.techreport.com/discussions.x/15837
>>> Apparently disabling the write cache is a workaround.
>>> ..
>> Heh, I wonder if there's been some firmware spying between Seagate and
> Hitachi..
>> because my two Hitachi 750GB drives can be made to have the same problem.
>>
>> Triggers quite reliably (perhaps 1/5 attempts?) by running "hddtemp"
>> (to read drive temperature) during heavy I/O.  Bingo.
>>
>> I imagine the smartmontools would have a similar effect.
>>
>> Cheers
>>
> 
> Now I have to rebuild the raid everyday since every morning when I check out
> the mirrored root partition, one of the drives (not always the same) fails
> with the mentioned error. Strange the the 6x1.5TB raid 0 storage partition
> even down because of this.

Yikes, I'll ask Seagate what's going on and post it on linux-ata wiki
when I know more.

Thanks.

-- 
tejun