I just bought a newly assembled PC with a 320GB of HD of WD. I installed Ubuntu 12.10 on it and did a SMART Disk test from the Disks utility in Ubuntu. It gave me following result
I'm worried about two things here.
First, the Powered On date is 4years back. Is it an indicator that the HD probably old and used by someone else before?
Second, the overall assessment failed, showing
Relocated Sector Count 671 sectors FAILING
Is there anything seriously wrong? Should I replace the HD?