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-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n9NJgDbb013027 for ; Fri, 23 Oct 2009 15:42:13 -0400 Received: from mailstore03.fastname.no (mailstore03.fastname.no [85.19.150.34]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n9NJg1CA006274 for ; Fri, 23 Oct 2009 15:42:02 -0400 Received: from [84.49.98.38] (helo=[192.168.3.20]) by mailstore03.fastname.no with esmtpa (Exim 4.69) (envelope-from ) id 1N1Q1A-00015q-4D for linux-lvm@redhat.com; Fri, 23 Oct 2009 21:41:44 +0200 Message-ID: <4AE206FF.2050606@mortent.org> Date: Fri, 23 Oct 2009 21:41:51 +0200 From: Morten Torstensen MIME-Version: 1.0 Subject: Re: [linux-lvm] Mirrored LVs References: <4AE1B9FB.504@mortent.org> <20091023172914.GA12748@us.ibm.com> <1958a88d0910231128x2b072b48q504d56b03da39196@mail.gmail.com> <20091023190230.GA13442@us.ibm.com> In-Reply-To: <20091023190230.GA13442@us.ibm.com> Content-Transfer-Encoding: 7bit Reply-To: morten@mortent.org, 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 23.10.2009 21:02, malahal@us.ibm.com wrote: >> In a LE it would be mirrored too and a copy would be in each mirror... > > That is not possible with the current LVM code. The log can't be a > 'mirror' segment. Jonathan posted few patches to place the log on > mirrored segment but the code is not in the upstream yet! So keep the map in the vgda, with a copy on each pv, or somewhere similar. It should just be a map of which LE is stale and doesn't have to be big anyway. Maybe IBM should donate some LVM code to linux :) -- //Morten Torstensen //Email: morten@mortent.org //IM: morten.torstensen@gmail.com I can't listen to that much Wagner. I start getting the urge to conquer Poland. -- Woody Allen