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The Monday 2007-04-02 at 02:36 +0200, jan kalcic wrote:

> > I would run the SMART self-test, if it's supported -- see the 'smartctl'
> > manpage for details.  Most likely your disk is dying.
> >   
> So hardware problem, right? :(
> 
> It reports some errors but it seems to be always the same one and I'm
> not sure they are what you guess.
> 



> === START OF READ SMART DATA SECTION ===
> SMART overall-health self-assessment test result: PASSED

ok so far

> Vendor Specific SMART Attributes with Thresholds:

Nothing mentionable here.

>   9 Power_On_Hours          0x0012   096   096   000    Old_age   Always      
>  -       2120

It's a "young" disk.

> SMART Error Log Version: 1
> ATA Error Count: 21303 (device log contains only the most recent five errors)

> 
> Error 21303 occurred at disk power-on lifetime: 2118 hours (88 days + 6
> hours)

ie, two hours ago. That's about it.

>   When the command that caused the error occurred, the device was active
> or idle.
> 
>   After command completion occurred, registers were:
>   ER ST SC SN CL CH DH
>   -- -- -- -- -- -- --
>   40 51 03 3c 62 65 e2  Error: UNC 3 sectors at LBA = 0x0265623c = 40198716

I guess that's an unreadable sector (3 sectors).




> SMART Self-test log structure revision number 1
> Num  Test_Description    Status                  Remaining  LifeTime(hours)  
> LBA_of_first_error
> # 1  Short offline       Completed without error       00%         1         -
> # 2  Short offline       Completed without error       00%         0         -

You haven't done a short/long/ test recently: those seems to be two short 
tests made by the computer installer (at 1 hour of age). So, do a short 
test, then a long one. You can continue using your computer somewhat 
during the test, but it's better you stop all disk intensive activities, 
even things like mail fetching if possible, or it will take way longer to 
test. When finished, read the results again.

Tricks: Writing to the bad sector will trigerg remapping it. You can 
detect them all by copying all sectors to /dev/null with dd.

> 
> Warning! SMART Selective Self-Test Log Structure error: invalid SMART
> checksum.

Dunno. Run those tests first.

- -- 
Cheers,
       Carlos E. R.

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