On 15/12/2013 10:34 AM, Alex wrote:

Hi,

quoted

   What I would do is run smartctl -t short /dev/sdc, then smartctl -a /dev/sdc
and make sure the drive was reported as PASSED and not in imminent failure. Then
run fsck on /dev/sdc2 (the partition reporting the I/O error on what was sda2 --
DO NOT fsck /dev/sdc3.

I ran a short (which succeeded) then a long (which also succeeded)
test on /dev/sdc.

I realized that /dev/sdc2 is a non-raid partition mounted as /boot, so
it can't be checked.

This box is in a remote datacenter. Still think it's okay to boot remotely?

Thanks,
Alex
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  You could also try running a non destructive badblocks check on the 
partition "badblocks -nsv /dev/sdc3" and see if it fails again, it could 
be the cable rather than the disk that is at fault.  I would expect that 
a reboot would set the drive back to sda.