Trouble finding bad block on WDC WD1600SB-01KBA0

Hi,

One system has a WDC WD1600SB-01KBA0 which shows

197 Current_Pending_Sector  0x0012   200   200   000    Old_age   Always 
       -       1
198 Offline_Uncorrectable   0x0012   200   200   000    Old_age   Always 
       -       0
199 UDMA_CRC_Error_Count    0x000a   200   253   000    Old_age   Always 
       -       1

Sadly, it does not list the block number in any of the test results
(or the system log files).

Tried these steps to find the pending sector...

   reboot (to clear cache)
   # log in once it came back up
   dd if=/dev/sda of=/dev/null bs=512

which completed without error.  Then tried

    smartctl -t long /dev/sda

and that also completed without error.

However "smartctl -a " still shows a pending sector.

Is there some other trick to find the thing?

Thanks,

David Mathog
[email protected]
Manager, Sequence Analysis Facility, Biology Division, Caltech

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