From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N1Lb1-0008NZ-0r for qemu-devel@nongnu.org; Fri, 23 Oct 2009 10:58:27 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N1Lay-0008MK-Ti for qemu-devel@nongnu.org; Fri, 23 Oct 2009 10:58:26 -0400 Received: from [199.232.76.173] (port=58651 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N1Lay-0008Ly-Jn for qemu-devel@nongnu.org; Fri, 23 Oct 2009 10:58:24 -0400 Received: from alpha.arachsys.com ([91.203.57.7]:47505) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1N1Lay-0005dZ-4o for qemu-devel@nongnu.org; Fri, 23 Oct 2009 10:58:24 -0400 Date: Fri, 23 Oct 2009 15:58:15 +0100 From: Chris Webb Subject: Re: [Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM Message-ID: <20091023145815.GE18955@arachsys.com> References: <4ADE988B.2070303@lab.ntt.co.jp> <4AE07A7F.8000002@redhat.com> <8fd1d76d0910230341w7978ac09te203ef34b79a86c6@mail.gmail.com> <90eb1dc70910230714h65e918a4n255bcf97634b26b0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <90eb1dc70910230714h65e918a4n255bcf97634b26b0@mail.gmail.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Javier Guerra Cc: linux-fsdevel@vger.kernel.org, qemu-devel@nongnu.org, Avi Kivity , MORITA Kazutaka , kvm@vger.kernel.org Javier Guerra writes: > i'd just want to add my '+1 votes' on both getting rid of JVM > dependency and using block devices (usually LVM) instead of ext3/btrfs If the chunks into which the virtual drives are split are quite small (say the 64MB used by Hadoop), LVM may be a less appropriate choice. It doesn't support very large numbers of very small logical volumes very well. Best wishes, Chris.