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