From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4B8E4C90.6050603@klunky.co.uk> Date: Wed, 03 Mar 2010 12:48:32 +0100 From: J4 MIME-Version: 1.0 References: <4B8E3D56.50703@klunky.co.uk> <4B8E47DD.6070502@redhat.com> In-Reply-To: <4B8E47DD.6070502@redhat.com> Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] System won't create devices from volume group : advice on dmsetup create command required (or alternative solution) Reply-To: junk4@klunky.co.uk, 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: Milan Broz Cc: LVM general discussion and development Dear Milan, Marvellous. This solved the problem. Many thanks and best wishes, J. Milan Broz wrote: > On 03/03/2010 11:43 AM, J4 wrote: >> # vgchange -a y mds > ... >> # ls /dev/mapper | grep mds >> brw------- 1 root root 253, 11 Mar 3 11:17 /dev/mapper/mds-mds > > So the only LV name "mds" there is properly activated. > > LVM will not activate partitions on the LV automatically, > but you can use "kpartx" utility to do that (see man kpartx). > > Try "kpartx -a /dev/mds/mds" > > (before deactivating LV you will need run kpartx -d to remove these > partition mappings again.) > > Milan