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The Monday 2007-04-02 at 13:58 +0200, jan kalcic wrote:
> > Dunno. Run those tests first.
> >
> Here we are. Short test completed without error whereas the long one
> shows a read failure error.
The long one on recent makes does asurface test.
> Num Test_Description Status Remaining LifeTime(hours)
> LBA_of_first_error
> # 1 Extended offline Completed: read failure 60% 2121
> 38168578
> # 2 Short offline Completed without error 00% 2121 -
Ok, try to learn where that LBA=38168578 is, I mean, which partition, and
overwrite it fully with dd: this triggers sector remapping. First, backup
it completely to another disk (file by file, with rsync). Then, run the
test again. Finally, copy files back.
Drives have a region allocated to remap bad sectors. When trying to write
to a bad sector, it is transparently reallocated to a new one in the
manufacturer reserved region:
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED
WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0033 095 095 005 Pre-fail Always -
0
You can also use the manufacturer provided test utility. These usually
come as a boot floppy or CD that runs roughly the same spart tests under
cpu control so that you can learn verbosely what is wrong.
- --
Cheers,
Carlos E. R.
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