From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pradeep Satyanarayana Subject: Re: How to monitor traffic with IBoE/RoCEE? Date: Fri, 26 Mar 2010 13:47:10 -0700 Message-ID: <4BAD1D4E.8060208@linux.vnet.ibm.com> References: <4BABFD62.70608@linux.vnet.ibm.com> <382A478CAD40FA4FB46605CF81FE39F455FF9847@orsmsx507.amr.corp.intel.com> <4BACF226.6030201@utah.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4BACF226.6030201-wbocuHtxKic@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ewg-bounces-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org Errors-To: ewg-bounces-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org To: Tom Ammon Cc: linux-rdma , EWG List-Id: linux-rdma@vger.kernel.org Tom Ammon wrote: > A widely-supported method for collecting statistics from ethernet > switching devices is SNMP. As Woody said, you wouldn't manage your > ethernet network any differently than you do now. In addition many many > tools have been written to make use of SNMP counters, so you won't have > a hard time finding tools, both commercial and open source. > > Tom > > On 03/26/2010 11:29 AM, Woodruff, Robert J wrote: >> Pradeep wrote, >> >> >>> With IBoE/RoCEE, the traditional SM in IB clusters is not needed. >>> Most of the current >>> IB tools rely on the SM and PM to get packet and error statistics and >>> so on. These >>> won't be applicable with IBoE/RoCEE. netstat will have no value since >>> the kernel >>> has been bypassed. So, how does one monitor traffic in such a cluster? >>> >> Some managed Ethernet switches have the ability to log into them and >> get information >> on packets transmited/received on each port and errors that are >> detected. However, >> these are typically proprietary. I am not sure about the Mellanox card. >> >> So I guess the answer is that you manage RoCCE and iWarp clusters just >> like >> you would any Ethernet cluster, with existing management tools that >> are available >> for managing Ethernet. >> >> woody True, I suspected that would be the case. However, that means we are using a different management model than with IB clusters. Hence, I was curious if Mellanox had any tools to get say some hardware counters without going to a different management model. Thanks Pradeep