From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Mauelshagen Subject: Re: Re: ANNOUNCE: mdadm 3.0 - A tool for managing Soft RAID under Linux Date: Thu, 04 Jun 2009 18:38:56 +0200 Message-ID: <1244133536.5541.48.camel@o> References: <18980.48553.328662.80987@notabene.brown> <4A25876A.1010901@garzik.org> <18981.62579.171350.910761@notabene.brown> <1244040123.6938.19.camel@o> Reply-To: heinzm@redhat.com, device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Jeff Garzik , Jacek Danecki , LKML , Ed Ciechanowski , linux-raid@vger.kernel.org, device-mapper development , linux-fsdevel , Alan Cox , Arjan van de Ven To: Dan Williams Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com List-Id: linux-fsdevel.vger.kernel.org On Wed, 2009-06-03 at 10:26 -0700, Dan Williams wrote: > On Wed, Jun 3, 2009 at 7:42 AM, Heinz Mauelshagen wrote: > > On Wed, 2009-06-03 at 13:56 +1000, Neil Brown wrote: > >> As for integrating the two code bases.... people have been suggesting > >> that for years, but I suspect few of them have looked deeply at the > >> practicalities. Apparently it was suggested at the recent "storage > >> summit". However as the primary md and dm developers were absent, I > >> have doubts about how truly well-informed that conversation could have > >> been. > > > > Agreed, we'd need face-time and talk issues through in order to come up > > with any such plan for md+dm integration. > > > > What are your general impressions of dmraid using md kernel > infrastructure for raid level support? At the time of the dmraid project start, we already had libdevmapper which was suitable to handle in-kernel device manipulation with no adequate on the MD side so it was the appropriate interface to use. Cheers, Heinz > > Thanks, > Dan