Re: SATA exceptions

From: S.ÃaÄlar Onur
Date: Fri Jul 13 2007 - 03:44:40 EST


13 Tem 2007 Cum tarihinde, Tejun Heo ÅunlarÄ yazmÄÅtÄ:
> >> 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.
> >
> > Hmm... cut the power while writing is doable from OS and might force
> > reallocations?
>
> Hmmm... We don't have any pending write when power goes out and I don't
> emergency unload can directly increase reallocation count. It can
> shorten lifespan of the head tho.
>
> > You might want to check if number of reallocated sectors increases
> > with shutdowns/reboots.
>
> I'm curious too.

It seems reboot/shutdown has no effect on reallocated sectors. After 5 rebot/5
shutdown it didn't change at all.

zangetsu ~ # smartctl -a /dev/sda | grep Reall
5 Reallocated_Sector_Ct 0x0033 067 067 010 Pre-fail
Always - 314
196 Reallocated_Event_Count 0x0032 067 067 000 Old_age
Always - 314

Cheers
--
S.ÃaÄlar Onur <caglar@xxxxxxxxxxxxx>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

Attachment: signature.asc
Description: This is a digitally signed message part.