From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Leonid Grossman" Subject: RE: Topic: Remote DMA network technologies Date: Tue, 29 Mar 2005 11:21:35 -0800 Message-ID: <200503291921.j2TJLeDD018072@guinness.s2io.com> References: <1112057688.5088.59.camel@beastie> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "'David S. Miller'" , , , , , , Return-path: To: "'Dmitry Yusupov'" , In-reply-to: <1112057688.5088.59.camel@beastie> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org > -----Original Message----- > From: netdev-bounce@oss.sgi.com [mailto:netdev-bounce@oss.sgi.com] On > Behalf Of Dmitry Yusupov > Sent: Monday, March 28, 2005 4:55 PM > To: open-iscsi@googlegroups.com > Cc: David S. Miller; mpm@selenic.com; andrea@suse.de; > michaelc@cs.wisc.edu; James.Bottomley@HansenPartnership.com; ksummit-2005- > discuss@thunk.org; netdev@oss.sgi.com > Subject: Re: Topic: Remote DMA network technologies > > On Mon, 2005-03-28 at 16:44 -0800, Asgeir Eiriksson wrote: > > Care to be more specific about the performance you achieved? > > > > You might want to contrast your numbers to veritest verified numbers of > > 800+ MBps and 600+KOPS achieved by Chelsio HBA with stateful offload > > using either 1500B or 9KB MTU (for full detail see Veritest report at > > http://www.chelsio.com/technology/Chelsio10GbE_iSCSI_report.pdf) > > > > 'Asgeir FYI, http://biz.yahoo.com/prnews/050329/cgtu006.html?.v=4 The actual whitepaper with performance results is on our site. In short, it shows that it's fine to run sw iSCSI over 10GbE NIC with Linux-supported stateless offloads (receive side could use more of these though :-)), on a generic Opteron box. Leonid > > I changed the subject, btw. > > In your paper. Its 28 M$ Initiator against one iSCSI Target on top of > Chelsio HBA. Now prove me that Chelsio HBA as an Initiator can do > somewhat close to 100K IOPS with regular Linux SCSI-MidLayer... > > Regards. > Dmitry > >