Re: SATA exceptions

From: Tejun Heo
Date: Mon Jul 09 2007 - 14:37:39 EST


Hello,

S.ÃaÄlar Onur wrote:
> 07 Tem 2007 Cts tarihinde, Robert Hancock ÅunlarÄ yazmÄÅtÄ:
>> It's not the free space on the drive that matters, it's the number of
>> free sectors in the spare sector pool on the drive, which is invisible
>> to software.
>>
>> Your SMART log shows 309 reallocated sectors. That seems somewhat high..
>
> Ah sorry to misinterpret the content:), its a quiet new piece of hardware (at
> most ~1.5 month old) and "Reallocated_Event_Count" constantly increases
> (currently its increased to 313) and although i'm not 100 percent sure these
> errors only occured with kernels > 2.6.18 (or 2.6.18 didn't report these
> cause according to kern.log these only visible with 2.6.22+)

OS and driver can't really do much about the reallocation event. Some
number of reallocations is okay but if you it going up constantly, you
probably have a dying disk.

> We bought 3 HP Pavillon dv2385ea and one of them only runs with 2.6.18 and its
> smartctl output follows as a reference;
>
> 5 Reallocated_Sector_Ct 0x0033 253 253 010 Pre-fail
> 196 Reallocated_Event_Count 0x0032 253 253 000 Old_age

Hmm... This is pretty high too. Do the counts increase on this machine too?

--
tejun
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