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From: Ray Lee <ray-lk@madrabbit.org>
Date: Fri, 24 Apr 2009 15:08:52 -0700
Message-ID: <2c0942db0904241508y7b8cf90bw71b9e25e71e3f34@mail.gmail.com>
Subject: Re: Link to sata drives fail randomly
To: Jeff Garzik <jeff@garzik.org>
Cc: LCID Fire <lcid-fire@gmx.net>, linux-kernel@vger.kernel.org
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On Fri, Apr 24, 2009 at 2:21 PM, Jeff Garzik <jeff@garzik.org> wrote:
> LCID Fire wrote:
>>
>> First of - I have a Asus P5K WS where I'm running (or actually trying) a
>> raid10 based on 4 sata drives. All drives are connected to esata slot panels
>> which connect to the mainboard ports.
>> The problem I'm encountering is the links to random drives fail every week
>> or so.
>> The strange thing is - the link is often failing for 2 drives at a time -
>> which is the best when running a raid10 *sarcasm*
>> The drives are WD, Samsung and Hitachi - so I think some specific driver
>> failure can be ruled out.
>> I attached the dmesg - perhaps someone could tell me which component is
>> responsible for my drives losing their link.
>
> Looks like a flaky cable, or bad connector.

Or a marginal power supply that can't handle 4 hard drives, a dvd
drive, and whatever else is attached to that system.
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