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 m1TEekQT007799 for ; Fri, 29 Feb 2008 09:40:46 -0500 Received: from po-out-1718.google.com (po-out-1718.google.com [72.14.252.153]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m1TEe06q026434 for ; Fri, 29 Feb 2008 09:40:02 -0500 Received: by po-out-1718.google.com with SMTP id b23so6045008poe.1 for ; Fri, 29 Feb 2008 06:39:50 -0800 (PST) Message-ID: Date: Fri, 29 Feb 2008 06:39:50 -0800 From: "Dan Kegel" Sender: daniel.r.kegel@gmail.com Subject: Re: [linux-lvm] Snapshot of a Snapshot In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: 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: LVM general discussion and development On Fri, Feb 29, 2008 at 3:27 AM, Karl Wagner wrote: > I was just wondering if there was a plan to add 'Snapshot of a Snapshot' > functionality to LVM2? If so, is there any timescale on it? > > This would be a very useful feature, especially in a Xen environment. > > Also, is there an easy way to backup and restore a snapshot? My scenario > is that I am running several Xen DomU's (Virtual machines, 4 of them to > be precise) from snapshots of a base image. However, if one dies (eg the > snapshot overflows, something which should not happen again but just in > case...) and I recreate the snapshot and restore the backup image I > took, it fills the snapshot up. It sounds like you could use a 'revert to snapshot' feature. Is that right? - Dan