From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx10.extmail.prod.ext.phx2.redhat.com [10.5.110.14]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id oAAKTFks027114 for ; Wed, 10 Nov 2010 15:29:15 -0500 Received: from mail-gw0-f46.google.com (mail-gw0-f46.google.com [74.125.83.46]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oAAKT4r5021247 for ; Wed, 10 Nov 2010 15:29:05 -0500 Received: by gwb11 with SMTP id 11so233544gwb.33 for ; Wed, 10 Nov 2010 12:29:04 -0800 (PST) Message-ID: <4CDB008C.1080001@gmail.com> Date: Wed, 10 Nov 2010 15:29:00 -0500 From: Mauricio Tavares MIME-Version: 1.0 References: <1289415481.17929.9@raydesk1.bettercgi.com> In-Reply-To: <1289415481.17929.9@raydesk1.bettercgi.com> Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Bad disk? Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development On 11/10/2010 01:58 PM, Ray Morris wrote: > On 11/10/2010 11:56:24 AM, Mauricio Tavares wrote: > >> How can I find which drive /dev/dm-0 is? > > Try: > cat /sys/block/dm-0/dm/name > > On my system, I created dm2device so I can tell which snapshot is > full or whatever device has a problem: > > # cat /usr/local/bin/dm2device > #!/bin/sh > > cat /sys/block/$1/dm/name > Thanks! cat /sys/block/dm-0/dm/name returned export-vms, which is /dev/sdc1. > -- > Ray Morris > support@bettercgi.com > > Strongbox - The next generation in site security: > http://www.bettercgi.com/strongbox/ > > Throttlebox - Intelligent Bandwidth Control > http://www.bettercgi.com/throttlebox/ > > Strongbox / Throttlebox affiliate program: > http://www.bettercgi.com/affiliates/user/register.php > > > On 11/10/2010 11:56:24 AM, Mauricio Tavares wrote: >> On 11/10/2010 10:11 AM, Phillip Susi wrote: >>> On 11/10/2010 9:39 AM, Mauricio Tavares wrote: >>>> Yesterday I added a hard drive (to put extra stuff on it) to my ubuntu >>>> 10.10 box and created a LVM in it. Then copied some files to it and >>>> restarted the machine to see if it would mount into the right >>>> mountpoint. It didn't. So I decided to see if it was there (vg in >>>> question is export): >>> >>> None of the errors you posted mention a physical disk at all, so there >>> isn't anything wrong with them. To find out what dm-0 is you need to >>> poke around with dmsetup. >> >> Now that might be interesting since I honestly do not know how to use >> it (and my google-fu seems weak today). But this is a bit more info I >> found: >> >> raub@strangepork:~$ sudo pvs -a >> /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error >> /dev/dm-0: read failed after 0 of 4096 at 429496664064: Input/output >> error >> /dev/dm-0: read failed after 0 of 4096 at 429496721408: Input/output >> error >> /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error >> /dev/dm-0: read failed after 0 of 4096 at 4096: Input/output error >> /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error >> PV VG Fmt Attr PSize PFree >> /dev/dm-0 -- 0 0 >> /dev/dm-1 root lvm2 a- 277.05g 192.55g >> /dev/dm-2 -- 0 0 >> /dev/dm-3 -- 0 0 >> /dev/dm-4 -- 0 0 >> /dev/dm-5 -- 0 0 >> /dev/ram0 -- 0 0 >> /dev/ram1 -- 0 0 >> /dev/ram10 -- 0 0 >> /dev/ram11 -- 0 0 >> /dev/ram12 -- 0 0 >> /dev/ram13 -- 0 0 >> /dev/ram14 -- 0 0 >> /dev/ram15 -- 0 0 >> /dev/ram2 -- 0 0 >> /dev/ram3 -- 0 0 >> /dev/ram4 -- 0 0 >> /dev/ram5 -- 0 0 >> /dev/ram6 -- 0 0 >> /dev/ram7 -- 0 0 >> /dev/ram8 -- 0 0 >> /dev/ram9 -- 0 0 >> /dev/root -- 0 0 >> /dev/sda1 -- 0 0 >> /dev/sda3 -- 0 0 >> /dev/sdc1 export lvm2 a- 465.76g 65.76g >> raub@strangepork:~$ >> >> FYI, the root vg in inside /dev/sda3, which is an encrypted partition. >> How can I find which drive /dev/dm-0 is? >> >> _______________________________________________ >> linux-lvm mailing list >> linux-lvm@redhat.com >> https://www.redhat.com/mailman/listinfo/linux-lvm >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ >> > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/