From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N1HRN-0005ak-QG for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:32:13 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N1HRM-0005aP-Re for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:32:13 -0400 Received: from [199.232.76.173] (port=46257 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N1HRM-0005aM-Nh for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:32:12 -0400 Received: from alpha.arachsys.com ([91.203.57.7]:34123) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1N1HRM-00042S-F2 for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:32:12 -0400 Date: Fri, 23 Oct 2009 11:26:59 +0100 From: Chris Webb Message-ID: <20091023102659.GY1930@arachsys.com> References: <4ADE988B.2070303@lab.ntt.co.jp> <90D306BE6EBC8D428A824FBBA7A3113D0127975B04@ronja.maurer-it.com> <8fd1d76d0910230306v442d485cl939418543f846af6@mail.gmail.com> <20091023101738.GA1997@arachsys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091023101738.GA1997@arachsys.com> Subject: [Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: MORITA Kazutaka Cc: "linux-fsdevel@vger.kernel.org" , Dietmar Maurer , "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" Chris Webb writes: > MORITA Kazutaka writes: > > > We use JGroups (Java library) for reliable multicast communication in > > our cluster manager daemon. We don't worry about the performance much > > since the cluster manager daemon is not involved in the I/O path. We > > might think about moving to corosync if it is more stable than > > JGroups. > > I'd love to see this running on top of corosync too. Corosync is a well > tested, stable cluster manager, and doesn't have the JVM dependency of > jgroups so feels more suitable for building 'thin virtualisation fabrics'. Very exciting project, by the way! Best wishes, Chris.