From mboxrd@z Thu Jan 1 00:00:00 1970 From: Craig Dunwoody Subject: Re: Hardware-config suggestions for HDD-based OSD node? Date: Sun, 28 Mar 2010 17:58:21 -0700 Message-ID: <24075.1269824301@n20.hq.graphstream.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ceph-devel-bounces@lists.sourceforge.net To: Martin Millnert Cc: cdunwoody@graphstream.com, ceph-devel@lists.sourceforge.net List-Id: ceph-devel.vger.kernel.org Hello Martin, martin writes: >while this does not match your G1, G2 or G3, there is a G4 absolutely >worth considering IMO: > Maximize storage area and transfer speed divided by hardware >investment + MRU. ... >I think you have to figure out what it is you need done for your >specific application, and back-track from there. Because there is no >single optimal configuration of a distributed file system such as Ceph, >for all applications. Thanks very much for your comments. Sorry that I wasn't familiar with your use of the term "MRU" -- please help me understand. I agree completely that details of Ceph node and cluster configs that are most efficient for a specific application, will depend on many details of that application's requirements. Craig Dunwoody cdunwoody@graphstream.com ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev