From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Fjellstrom Subject: Re: Western Digital RE3: Raid Failure Date: Sat, 5 Sep 2009 06:22:50 -0600 Message-ID: <200909050622.51020.tfjellstrom@shaw.ca> References: <200909042153.23094.tfjellstrom@shaw.ca> Reply-To: tfjellstrom@shaw.ca Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Alex Butcher Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sat September 5 2009, Alex Butcher wrote: > On Fri, 4 Sep 2009, Thomas Fjellstrom wrote: > > On Thu September 3 2009, you wrote: > >> On Thu, 3 Sep 2009, Gabor Gombas wrote: > >>> On Thu, Sep 03, 2009 at 11:14:45AM +0200, MOgWai46[Saurceful of > >>> Secrets] > > > > wrote: > >>>> This is the output of smartctl -a /dev/sdc: > >>>> http://nopaste.com/p/aXwmnSEphb > >>> > >>> 5 Reallocated_Sector_Ct 0x0033 197 197 140 Pre-fail Always > >>> - 24 [...] > >>> 196 Reallocated_Event_Count 0x0032 197 197 000 Old_age > >>> Always - 3 > >>> > >>> IMHO it's time to replace the drive. I think it also shows that TLER is > >>> working just as expected: timing out when the recovery would have taken > >>> too long. > >> > >> The drive has only been spinning for 1008 hours, or about 42 days. It's > >> probably still under warranty, but I'd be surprised if WD (or any other > >> vendor) will accept an RMA since it will probably pass all its > >> diagnostic tests. > > > > I just returned a Seagate drive that passed all tests. But its > > reallocated sector count was over 1500 (and climbing 10 or more per > > hour). The support tech didn't have a problem with authorizing the RMA. > > So if the problem gets bad enough, they SHOULD take the drive back, or at > > least Seagate will. > > Different circumstances; your drive's reallocated count was higher and > consistently climbing. Yeah, I did say "if the problem gets bad enough". > Sectors go bad, drives have spares, drives with reallocated sectors aren't > necessarily dead or about to die imminently, keep backups of files that are > important to you in case a file occupies a sector that goes bad, RAID is > not backup. > > >>> Gabor > >> > >> Alex > > Best Regards, > Alex > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Thomas Fjellstrom tfjellstrom@shaw.ca