[CentOS] Drive problem

[Valeri Galtsev]

On Tue, June 16, 2015 7:11 am, mark wrote:
> On 06/16/15 07:59, Ashish Yadav wrote:
>> Hi,
>>
>> On Tue, Jun 16, 2015 at 2:26 AM, <m.roth at 5-cent.us> wrote:
>>
>>> I was rsync'ing data from one system to another, and the recipient
>>> suddenly started throwing DRDY errors. Now, it's a fairly new WD Red
>>> 3TB,
>>> and I'd think it was just a bad drive... but I'm really confused by
>>> this,
>>> from the logs:
>>> Jun 15 15:34:43 <servername> kernel: ata3: SError: { Dispar }
>>>
>>> Dispar? And googling, every reference I find to that word always has
>>> something else there.
>>>
>>> System's running 5.11. Filesystem's xfs.
>>>
>>> Any thoughts?
>>>
>>
>> Please check your SATA data cable first, I have similar experience where
>> something was wrong with the cable and it started to give DRDY errors.
>  > When I put that disk into another machine then it was working fine
>  > without any problem.
>
> It's something to consider... but I can't do that easily. This is a server
> that's been running for years, and is in use, and it's a hot-swap bay.
>

Then it also could be caused by a micro crack on a backplane.

Valeri

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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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