Ok, will try the firmware first. I saw some talk of the scheduler, but I was uncertain if that applied in my case. By the way, doesn't the command you include switch to the noop scheduler? Shouldn't it be "echo deadline"? -- Joakim Ziegler - Supervisor de postproducción - Terminal joakim@xxxxxxxxxxxxxx - 044 55 2971 8514 - 5264 0864 On 26/03/13 18:43, Gordon Messmer wrote: > On 03/26/2013 02:01 PM, Joakim Ziegler wrote: >> Anyone seen anything like this before? It's not very frequent, but it's >> very annoying. > > I haven't, but the first thing I'd do in the situation you describe is > update the firmware on the RAID card. > > I looked around at other discussions of the same error, and it looks > like some people have also resolved that problem by switching to the > deadline scheduler > > # echo noop > /sys/block/sdb/queue/scheduler > > ...but I wouldn't do that unless you update the firmware and still see > the error. > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos