Paul Heinlein <heinlein@...> writes:
>
> On Mon, 27 Jan 2014, Bob Hepple wrote:
>
> > I've got a 1Tb USB disc that appears to be dying - eg it took about
> > 10 days (!) to run 'badblocks -nsv /dev/sdc' and it only did less
> > than 2% in that time. Read access became _really_ slow.
> >
> > 197 Current_Pending_Sector 0x0032 192 192 000 Old_age Always
> > - 1423
> > 198 Offline_Uncorrectable 0x0030 196 196 000 Old_age Offline
> > - 700
> > 200 Multi_Zone_Error_Rate 0x0008 001 001 000 Old_age Offline
> > - 793265
>
> These numbers are all bad, really bad. Regardless of the overall
> PASSED result, SMART is telling you that the disk is failing. See,
> e.g., http://en.wikipedia.org/wiki/S.M.A.R.T.
>
Thanks for that. I kinda wonder about the 'PASSED' in light of this - looks
like we need to go through the smartctl output with a fine toothcomb to make
it valuable.
The disc was already headed to the dump as it was obviously failing, but I
would have liked to be able to use smartctl to predict failures. When the
output is so hard to read, I doubt it'll happen.
For anyone following this, I found
http://sourceforge.net/apps/trac/smartmontools/wiki/FAQ quite good reading.
Also http://smartmontools.sourceforge.net/badblockhowto.html
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