From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Webb Subject: Re: [Qemu-devel] Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM Date: Fri, 23 Oct 2009 15:58:15 +0100 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 Cc: MORITA Kazutaka , linux-fsdevel@vger.kernel.org, Avi Kivity , kvm@vger.kernel.org, qemu-devel@nongnu.org To: Javier Guerra Return-path: Content-Disposition: inline In-Reply-To: <90eb1dc70910230714h65e918a4n255bcf97634b26b0@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-Id: linux-fsdevel.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.