[CentOS] Drive problem

Tue Jun 16 12:46:54 UTC 2015
Valeri Galtsev <galtsev at kicp.uchicago.edu>

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