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. mark
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 ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev wrote:> > 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.It was working fine before I put in the 3TB drive earlier this year, and I haven't had any trouble at all with it until yesterday, when I started copying a lot of data to a not-much-used disk. mark