From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: Re: Re: LVM on dmraid breakage Date: Fri, 10 Aug 2007 07:09:07 +0200 Message-ID: <20070810050907.GA10164@percy.comedia.it> References: <46B0EAEF.6090305@cfl.rr.com> <20070802065012.GA28687@percy.comedia.it> <46B1B5E1.1050406@redhat.com> <46B251BB.1010004@cfl.rr.com> <20070807210359.GA2064@agk.fab.redhat.com> <46BA2FCC.1040001@cfl.rr.com> <20070808214538.GR2064@agk.fab.redhat.com> <46BB4E86.7090000@cfl.rr.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Content-Disposition: inline In-Reply-To: <46BB4E86.7090000@cfl.rr.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: ataraid-list@redhat.com, device-mapper development , linux-lvm@redhat.com List-Id: dm-devel.ids On Thu, Aug 09, 2007 at 01:27:34PM -0400, Phillip Susi wrote: >Alasdair G Kergon wrote: >>But I don't yet see why it didn't also open the other devices, write a >>warning >>message about duplicate IDs, and do the right thing and give them >>precedence. > >Why would it open the other devices? LVM does not scan /dev/mapper/*, >only /dev/sd*. Since it does not scan the /dev/mapper devices for pvs, >it sees no duplicates and can not "do the right thing". LVM scans the whole /dev directory, unless you configure it otherwise. L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \ From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 10 Aug 2007 07:09:07 +0200 From: Luca Berra Message-ID: <20070810050907.GA10164@percy.comedia.it> References: <46B0EAEF.6090305@cfl.rr.com> <20070802065012.GA28687@percy.comedia.it> <46B1B5E1.1050406@redhat.com> <46B251BB.1010004@cfl.rr.com> <20070807210359.GA2064@agk.fab.redhat.com> <46BA2FCC.1040001@cfl.rr.com> <20070808214538.GR2064@agk.fab.redhat.com> <46BB4E86.7090000@cfl.rr.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <46BB4E86.7090000@cfl.rr.com> Subject: [linux-lvm] Re: [dm-devel] Re: LVM on dmraid breakage 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" Content-Transfer-Encoding: 7bit To: ataraid-list@redhat.com, device-mapper development , linux-lvm@redhat.com On Thu, Aug 09, 2007 at 01:27:34PM -0400, Phillip Susi wrote: >Alasdair G Kergon wrote: >>But I don't yet see why it didn't also open the other devices, write a >>warning >>message about duplicate IDs, and do the right thing and give them >>precedence. > >Why would it open the other devices? LVM does not scan /dev/mapper/*, >only /dev/sd*. Since it does not scan the /dev/mapper devices for pvs, >it sees no duplicates and can not "do the right thing". LVM scans the whole /dev directory, unless you configure it otherwise. L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \