From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N1H2R-0000TS-LS for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:06:27 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N1H2M-0000Ra-VB for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:06:27 -0400 Received: from [199.232.76.173] (port=37335 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N1H2M-0000RT-NM for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:06:22 -0400 Received: from mail-yx0-f188.google.com ([209.85.210.188]:61631) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1N1H2M-000812-BH for qemu-devel@nongnu.org; Fri, 23 Oct 2009 06:06:22 -0400 Received: by yxe26 with SMTP id 26so7340686yxe.4 for ; Fri, 23 Oct 2009 03:06:21 -0700 (PDT) MIME-Version: 1.0 Sender: morita.kazutaka@gmail.com In-Reply-To: <90D306BE6EBC8D428A824FBBA7A3113D0127975B04@ronja.maurer-it.com> References: <4ADE988B.2070303@lab.ntt.co.jp> <90D306BE6EBC8D428A824FBBA7A3113D0127975B04@ronja.maurer-it.com> Date: Fri, 23 Oct 2009 19:06:18 +0900 Message-ID: <8fd1d76d0910230306v442d485cl939418543f846af6@mail.gmail.com> From: MORITA Kazutaka Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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: Dietmar Maurer Cc: "linux-fsdevel@vger.kernel.org" , "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" 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. On Wed, Oct 21, 2009 at 6:08 PM, Dietmar Maurer wrote= : > Quite interesting. But would it be possible to use corosync for the clust= er communication? The point is that we need corosync anyways for pacemaker,= it is written in C (high performance) and seem to implement the feature yo= u need? > >> -----Original Message----- >> From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] On >> Behalf Of MORITA Kazutaka >> Sent: Mittwoch, 21. Oktober 2009 07:14 >> To: kvm@vger.kernel.org; qemu-devel@nongnu.org; linux- >> fsdevel@vger.kernel.org >> Subject: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM >> >> Hi everyone, >> >> Sheepdog is a distributed storage system for KVM/QEMU. It provides >> highly available block level storage volumes to VMs like Amazon EBS. >> Sheepdog supports advanced volume management features such as snapshot, >> cloning, and thin provisioning. Sheepdog runs on several tens or >> hundreds >> of nodes, and the architecture is fully symmetric; there is no central >> node such as a meta-data server. > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > --=20 MORITA, Kazutaka NTT Cyber Space Labs OSS Computing Project Kernel Group E-mail: morita.kazutaka@lab.ntt.co.jp