From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Majed B." Subject: Re: Why does one get mismatches? Date: Thu, 21 Jan 2010 01:30:15 +0300 Message-ID: <70ed7c3e1001201430i72023a9fq1341b671073ac53c@mail.gmail.com> References: <387070.15704.qm@web51305.mail.re2.yahoo.com> <70ed7c3e1001201244k3c734336y8e145bb50f88de26@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Brett Russ Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids He needs to run a full offline or long test before checking with smartctl -a -- since it won't show any sector errors if those tests weren't run at least once. On Thu, Jan 21, 2010 at 1:25 AM, Brett Russ wrote: > On 01/20/2010 03:44 PM, Majed B. wrote: >> >> You can find details on these parameters and their values in md's >> documentation: http://www.mjmwired.net/kernel/Documentation/md.txt >> >> A mismatch count can be checked by writing "check" to the proper fil= e >> as stated in line 376: >> http://www.mjmwired.net/kernel/Documentation/md.txt#376 > > Sounds like Jon may have a flaky HDD if certain members continually t= hrow > errors. =C2=A0Jon, can you check SMART stats on your drives? > > for di in a b c d e f g; do smartctl -a /dev/sd$di | grep -i _sect; d= one > > you may have to add another option to smartctl, I forget. > > -BR > > -- > 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 =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > --=20 Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html