From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx14.extmail.prod.ext.phx2.redhat.com [10.5.110.19]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p1NEIuPe028508 for ; Wed, 23 Feb 2011 09:18:56 -0500 Received: from abpni.co.uk (host-92-27-106-173.static.as13285.net [92.27.106.173] (may be forged)) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p1NEIhLw023193 for ; Wed, 23 Feb 2011 09:18:44 -0500 Message-ID: <4D651735.1000802@abpni.co.uk> Date: Wed, 23 Feb 2011 14:18:29 +0000 From: Jonathan Tripathy MIME-Version: 1.0 References: <4D64FF3C.6080602@abpni.co.uk> <1298466573.19562.147.camel@ubuntu> <4D65124C.1070505@abpni.co.uk> <1298470564.19562.150.camel@ubuntu> In-Reply-To: <1298470564.19562.150.camel@ubuntu> Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Snapshots and disk re-use 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 23/02/11 14:16, Joe Thornber wrote: > On Wed, 2011-02-23 at 13:57 +0000, Jonathan Tripathy wrote: > >> The snapshot will be done in the Xen host, so the Xen host will see the >> snapshot. The VM will only see the "normal" LV (and continue to use it >> as normal). My concern is what happens when I remove the snapshot and >> later on I create a new additional LV for a new customer. > When you remove the snapshot the exception store will have bits of the > origin device on it. Zero it before you use the space to provision a > volume for a new customer. > > - Joe > > And how do I zero just exception store? Thanks