From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from reti (vpn50-17.rdu.redhat.com [172.16.50.17]) by pobox.surrey.redhat.com (8.12.8/8.12.8) with ESMTP id i2B9IWuq011533 for ; Thu, 11 Mar 2004 09:18:32 GMT Received: from joe by reti with local (Exim 4.30) id 1B1MMJ-0003gi-Ap for linux-lvm@redhat.com; Thu, 11 Mar 2004 09:20:07 +0000 From: Joe Thornber Subject: Re: [linux-lvm] LVM2-Snapshot Message-ID: <20040311092007.GD2138@reti> References: <20040310173002.75ca7590.Christoph.Pleger@uni-dortmund.de> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20040310173002.75ca7590.Christoph.Pleger@uni-dortmund.de> Sender: linux-lvm-admin@redhat.com Errors-To: linux-lvm-admin@redhat.com Reply-To: linux-lvm@redhat.com List-Help: List-Post: List-Subscribe: , List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: Date: Thu Mar 11 04:16:01 2004 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@redhat.com On Wed, Mar 10, 2004 at 05:30:02PM +0100, Christoph Pleger wrote: > Hello, > > I have problems when I try to create a snapshot of a logical volume > under LVM2 (Kernel 2.6.3). I get the following messages after using > "lvcreate -s -l 227 -n snap /dev/vg1/lv1": > > device_mapper ioctl cmd 9 failed: Invalid argument > Couldn't load device 'vg1-snap'. > Problem reactivating origin lv1 > > > How can I solve that? > > Using google, I found that snapshots under LVM2 and Kernel 2.6 generally > do not work. I hope that that is no longer true, is it? The snapshot target isn't in vanilla 2.6 yet, use my udm (unstable dm) tree if you want that functionality. http://people.sistina.com/~thornber/dm/ I _hope_ to submit this to lkml within the next month. - Joe