From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Webb Subject: Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM Date: Fri, 23 Oct 2009 11:17:38 +0100 Message-ID: <20091023101738.GA1997@arachsys.com> References: <4ADE988B.2070303@lab.ntt.co.jp> <90D306BE6EBC8D428A824FBBA7A3113D0127975B04@ronja.maurer-it.com> <8fd1d76d0910230306v442d485cl939418543f846af6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Dietmar Maurer , "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" , "linux-fsdevel@vger.kernel.org" To: MORITA Kazutaka Return-path: Received: from alpha.arachsys.com ([91.203.57.7]:35341 "EHLO alpha.arachsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751442AbZJWKRl (ORCPT ); Fri, 23 Oct 2009 06:17:41 -0400 Content-Disposition: inline In-Reply-To: <8fd1d76d0910230306v442d485cl939418543f846af6@mail.gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 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'. Cheers, Chris.