From mboxrd@z Thu Jan 1 00:00:00 1970 From: berk walker Subject: Re: detecting/correcting _slightly_ flaky disks Date: Wed, 07 Mar 2007 08:57:31 -0500 Message-ID: <45EEC4CB.1070804@panix.com> References: <17898.45673.573800.56474@notabene.brown> <45EB3867.8050907@eyal.emu.id.au> <17899.18568.523543.478792@notabene.brown> <45EBCA83.40106@eyal.emu.id.au> <45EC2F89.2070703@pobox.com> <45EC4CFD.3050106@pobox.com> <45EE03E2.5000309@tmr.com> <45EE1775.7020906@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45EE1775.7020906@pobox.com> Sender: linux-raid-owner@vger.kernel.org To: mjstumpf@pobox.com Cc: Bill Davidsen , Justin Piszcz , linux-raid@vger.kernel.org List-Id: linux-raid.ids Michael Stumpf wrote: > Bill Davidsen wrote: >> Michael Stumpf wrote: >>> This is the drive I think is most suspect. What isn't obvious, >>> because it isn't listed in the self test log, is between #1 and #2 >>> there was an aborted, hung test. The #4 short test that was >>> aborted was also a hung test that I eventually, manually >>> aborted--heard clicking from drives at that time, can't swear it was >>> from this drive though. >>> >>> Not sure I fully understand the nuances of this report. If anything >>> jumps out at you, I'd appreciate a tip on how you read it. (to me, >>> looks mostly healthy) >>> >> For what it's worth, if you are getting hung tests, either your drive >> or power supply should be redeployed as a paperweight. My opinion... >> > I don't disagree but I'd like to find something more concrete or > repeatable, especially given that these give an audible click when > failing. The problem I'm having is that I can't nail down precisely > where the problem is, although your suggestion makes a lot of sense. > > After running Justin's suggested badblocks test, I'm kind-of-disturbed > to see that all these drives are passing with flying colors. > > Firmware issue? WD had it in the past. > > - > 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 > One nice thing, if your cables are OK, and your power is OK, then you can trash the electronics and transplant from a similar drive with bad sectors. - "load head seek spindle unload head" is not a nice thing for the hardware. b-