From: Tejun Heo <htejun@gmail.com>
To: Jonathan Bell <doggs.lay.eggs@googlemail.com>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: Strange arbitrary port resets on ICH9R with Seagate drives
Date: Sat, 20 Oct 2007 11:25:42 +0900 [thread overview]
Message-ID: <47196726.8@gmail.com> (raw)
In-Reply-To: <op.tzjpvoqnxci36i@akima.lan>
Jonathan Bell wrote:
> On Mon, 01 Oct 2007 01:30:59 +0100, Jonathan Bell
> <doggs.lay.eggs@googlemail.com> wrote:
>
>> Hello
>>
>> I've just purchased a brand spanking new G33/ICH9R based system for
>> use as a home fileserver with 4x ST3750840AS Seagate SATA drives as
>> the main grunt drives.
>>
>> The problem is that all of the seagate drives keep resetting, as this
>> dmesg excerpt shows:
>
> Oops. Hardware problem. Insufficient power applied to the hotswap caddy
> resulted in the drives bugging out when all 4 were accessed, hence
> cat/dd on an individual drive caused no problems.
>
> Now running these drives quite successfully in raid-5 with NCQ and
> 3.0Gbps links.
Yeah, this kind of problem is pretty common and difficult to debug. It
just seems SATA link is very sensitive to power quality and sucky power
supplies are easy to come by.
--
tejun
prev parent reply other threads:[~2007-10-20 2:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-01 0:30 Strange arbitrary port resets on ICH9R with Seagate drives Jonathan Bell
2007-10-02 1:17 ` Jonathan Bell
2007-10-20 2:25 ` Tejun Heo [this message]
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