From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id lB80foE4005589 for ; Fri, 7 Dec 2007 19:41:50 -0500 Received: from mx.greatschools.net (mx.greatschools.net [198.144.205.131]) by mx3.redhat.com (8.13.1/8.13.1) with ESMTP id lB80fKEU012570 for ; Fri, 7 Dec 2007 19:41:20 -0500 Received: from zimbra.greatschools.net (zimbra.greatschools.net [198.144.205.155]) by mx.greatschools.net (8.13.1/8.13.1) with ESMTP id lB80fER7011388 for ; Fri, 7 Dec 2007 16:41:15 -0800 Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbra.greatschools.net (Postfix) with ESMTP id E3E68304DAF for ; Fri, 7 Dec 2007 16:41:14 -0800 (PST) Received: from zimbra.greatschools.net ([127.0.0.1]) by localhost (zimbra.greatschools.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SufXxLBSw0jt for ; Fri, 7 Dec 2007 16:41:14 -0800 (PST) Received: from [198.144.205.132] (dh1.office.greatschools.net [198.144.205.132]) by zimbra.greatschools.net (Postfix) with ESMTP id 6947E304D88 for ; Fri, 7 Dec 2007 16:41:14 -0800 (PST) From: Dane Miller In-Reply-To: <1197058441.23187.30.camel@danedesk.greatschools.net> References: <1197058441.23187.30.camel@danedesk.greatschools.net> Date: Fri, 07 Dec 2007 16:40:58 -0800 Message-Id: <1197074458.23187.37.camel@danedesk.greatschools.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [linux-lvm] Re: dm errors with lvcreate --snapshot 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" To: linux-lvm@redhat.com (re-posting after 4h30m) Oops, some software versions might be helpful... OS: CentOS 4.4 Kernel: 2.6.9-42.0.10.ELsmp i686 athlon i386 GNU/Linux LVM2: lvm2-2.02.21-5.el4 Device-mapper: device-mapper-1.02.17-3.0.1.el4 Dane Miller wrote: > Hi, > > I've recently started getting errors when creating a snapshot. I'm new > to LVM2 troubleshooting, so please point me in the right direction if > these are obvious error messages. > > The script 'amanda_snapshot.pl' removes yesterday's snapshot and creates > a new snapshot, which amanda backs up some time later. Here's the > output of this script, including error messages: > > amanda_snapshot.pl: umount /media/vm1optsnap > amanda_snapshot.pl: lvremove -f /dev/vg0/vm1optsnap > Logical volume "vm1optsnap" successfully removed > amanda_snapshot.pl: lvcreate --snapshot --name vm1optsnap --size > 10G /dev/vg0/vm1opt > /dev/dm-9: stat failed: No such file or directory > Path /dev/dm-9 no longer valid for device(253,9) > Aborting - please provide new pathname for what used to be /dev/dm-9 > /dev/dm-10: stat failed: No such file or directory > Path /dev/dm-10 no longer valid for device(253,10) > Aborting - please provide new pathname for what used to be /dev/dm-10 > /dev/dm-11: stat failed: No such file or directory > Path /dev/dm-11 no longer valid for device(253,11) > Aborting - please provide new pathname for what used to be /dev/dm-11 > Logical volume "vm1optsnap" created > amanda_snapshot.pl: mount /dev/vg0/vm1optsnap /media/vm1optsnap > > > What would cause these /dev/dm-* errors? How can I find out what's > going on? > > > Dane