From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx09.extmail.prod.ext.phx2.redhat.com [10.5.110.13]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p05Kvud1022184 for ; Wed, 5 Jan 2011 15:57:56 -0500 Received: from ps536.phatservers.com (ps536.phatservers.com [216.17.105.202]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id p05Kvlkt006947 for ; Wed, 5 Jan 2011 15:57:48 -0500 Received: from r74-192-2-154.bcstcmta01.clsttx.tl.dh.suddenlink.net ([74.192.2.154] helo=raydesk1.bettercgi.com) by ps536.phatservers.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.66) (envelope-from ) id 1PaaMQ-0000db-MY for linux-lvm@redhat.com; Wed, 05 Jan 2011 12:54:43 -0800 Date: Wed, 05 Jan 2011 14:53:33 -0600 From: Ray Morris References: <201101051848.55092.roberto.sassu@polito.it> In-Reply-To: <201101051848.55092.roberto.sassu@polito.it> (from roberto.sassu@polito.it on Wed Jan 5 11:48:54 2011) Message-Id: <1294260813.2185.35@raydesk1.bettercgi.com> MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit Subject: Re: [linux-lvm] LVM over iSCSI 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"; delsp="Yes"; format="Flowed" To: LVM general discussion and development What says lvscan -vv ? -- Ray Morris support@bettercgi.com Strongbox - The next generation in site security: http://www.bettercgi.com/strongbox/ Throttlebox - Intelligent Bandwidth Control http://www.bettercgi.com/throttlebox/ Strongbox / Throttlebox affiliate program: http://www.bettercgi.com/affiliates/user/register.php On 01/05/2011 11:48:54 AM, Roberto Sassu wrote: > Hi all > > i configured a LVM volume group using two iSCSI devices as > physical volumes. > I designed one node (A) to create snapshots of a Logical Volume, > called 'lv_origin' and i want other nodes (B, C) access them > exclusively. > I assume that 'lv_origin' is never modified after the first snapshot > is created. > So, A first creates 'lv_origin' and then a snapshot called > 'lv_snap1', which is available for this node. > The node B executes the command 'vgscan' and 'vgchange -ay'. > In this way, 'lv_origin' and 'lv_snap1' become available for B. > Next step, A creates a new snapshot of 'lv_origin' called > 'lv_snap2'. This is not available for B and the only way that i > found to use it is to perform (on the node B) the following > commands: > > 1) vgscan > 2) vgchange -an > 3) vgchange -ay > > However this procedure is not applicable if one of created > LVs is in use. How to solve this issue? > > Thanks in advance for replies > > Roberto Sassu > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > >