From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: Re: Question: array locking, possible? Date: Thu, 9 Feb 2006 21:48:48 +0100 Message-ID: <20060209204847.GA1387@percy.comedia.it> References: <1C4766A743ADF74FAEDF2AAD0679BAA20767917E@cacexc03.americas.cpqcorp.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Content-Disposition: inline In-Reply-To: <1C4766A743ADF74FAEDF2AAD0679BAA20767917E@cacexc03.americas.cpqcorp.net> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Thu, Feb 09, 2006 at 10:28:58AM -0800, Stern, Rick (Serviceguard Linux) wrote: >There is more interest, just not vocal. > >May want to look at LVM2 and its ability to use tagging to control enablement of VGs. This way it is not HW dependent. > I believe there is space in md1 superblock for a "cluster/exclusive" flag, if not the name field could be used what is missing is an interface between mdadm and cmcld so mdadm can ask cmcld permission to activate an array with the "cluster/exclusive" flag set. L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \