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Date: Fri, 13 Jul 2007 12:12:43 +0900 From: Tejun Heo <htejun@...il.com> To: Pavel Machek <pavel@....cz> CC: caglar@...dus.org.tr, Robert Hancock <hancockr@...w.ca>, LKML <linux-kernel@...r.kernel.org>, Jeff Garzik <jgarzik@...ox.com> Subject: Re: SATA exceptions Pavel Machek wrote: >>>> 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. > > 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. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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