From oracle-l-bounce@freelists.org Fri Sep 9 15:20:44 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j89KKien004236 for ; Fri, 9 Sep 2005 15:20:44 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j89KKeIP004226 for ; Fri, 9 Sep 2005 15:20:40 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 58FA91E9914; Fri, 9 Sep 2005 15:20:33 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 09865-07; Fri, 9 Sep 2005 15:20:33 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id D31FD1E95C2; Fri, 9 Sep 2005 15:20:32 -0500 (EST) Message-ID: <37387.156.153.255.134.1126297122.squirrel@webmail.zephyrus.com> In-Reply-To: <82EDEE44-DBBA-454A-BE8A-5F65FB375562@gridapp.com> References: <1a362960050909120822f201f2@mail.gmail.com> <18222.156.153.255.134.1126294846.squirrel@webmail.zephyrus.com> <82EDEE44-DBBA-454A-BE8A-5F65FB375562@gridapp.com> Date: Fri, 9 Sep 2005 13:18:42 -0700 (PDT) Subject: Re: Infiniband for RAC 10g on Linux From: "Keith Moore" To: "Matthew Zito" Cc: kmoore@zephyrus.com, "Oracle-L Freelists" User-Agent: SquirrelMail/1.4.4 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 X-archive-position: 25248 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: kmoore@zephyrus.com Precedence: normal Reply-To: kmoore@zephyrus.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-mailscan-MailScanner-Information: Please contact the ISP for more information X-mailscan-MailScanner: Found to be clean X-MailScanner-From: oracle-l-bounce@freelists.org X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=-4.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=2.63 So, do you know the latency for IPoIB? Is it less than GB Ethernet? Or about the same? Thanks. Keith > > InfiniBand is fairly cheap. However, true IB for RAC (uDAPL) is not > supported in 10gR2. As far as we've been able to figure out, the > InfiniBand support is for SDP and is undocumented (that's for > SQL*Net) and for interconnect traffic is only IPoIB - standard IP run > over InfiniBand. Oracle has dropped plans to support uDAPL - > apparently deciding to try to push their own proprietary RDMA protocol. > > Matt > > On Sep 9, 2005, at 3:40 PM, Keith Moore wrote: > >> We are performance testing an Oracle 10g RAC setup with two RedHat >> Linux >> servers. Currently we are using Ethernet for the interconnect. >> >> Has anyone used Infiniband? >> >> How well did it work and how much can we expect to pay? >> >> Thanks >> Keith >> >> -- >> http://www.freelists.org/webpage/oracle-l >> > > -- http://www.freelists.org/webpage/oracle-l