From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: Re: [linux-lvm] determing lvm support Message-ID: <20031220133541.GF24434@percy.comedia.it> References: <1071881237.1464.14.camel@rich> <20031220123023.H21022@uk.sistina.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20031220123023.H21022@uk.sistina.com> Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Sat Dec 20 07:37:01 2003 List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com On Sat, Dec 20, 2003 at 12:30:23PM +0000, Alasdair G Kergon wrote: >On Fri, Dec 19, 2003 at 04:47:18PM -0800, Rich Turner wrote: >> lvm2: >> look for "vgcreate" command and >Better to check for the new 'lvm' base command: other commands are >links to it: check that running 'lvm version' produces complete output. >That will also confirm that device-mapper is available in the live >kernel and that /dev/mapper/control is set up correctly. >(See device-mapper/scripts/devmap_mknod.sh) > Besides that is there any way to reliably check if dm is loaded from a c program, besides calling dm_task_run(), which is noisy if the driver is not loaded? I don't want the user to see an error if she's not running device-mapper. it the moment i try to open dm_dir()/control, is that ok? L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \