slot 8

On Wed, 06 Sep 2000, Larry Armstrong wrote:

! Howdy! ! ! Out of curiousity, what slot do you have your GbE card in? ! ! ---larry >:) ! _ ! * Marcus Smiley (marcus.smiley@ericsson.com) done spit this rhetoric: ! > Does anyone have any benchmarks/suggestions for poor performace with ! > gigabit ethernet between Sun enterprise 220R and NetApp 740 with Intel ! > GBII card? I have an open ticket w/Netapp and it's been open ! > forever. These machines are directly attached (private network), and ! > I've tried a mkfile and copying that file back during the day and at ! > night (no load) and it makes no difference. ! > ! > The performance is ~ 10 MB/s, no matter what. ! > ! > The Sun is running Solaris 8, with latest GB Ethernet 3.0 drivers ! > and patches. Also, the Sun box's only function is Legato server, ! > so I've even stopped all nsr daemons while the test copy/mkfile ! > is in progress, & it makes no difference. ! > ! > I've tried NFSv2 vs. NFSv3, with 32k size packets and 8k size packets. ! > I've tried tcp and udp, with the same results. ! > ! > The /etc/system file on the E220R looks like this, for the ge adapter: ! > ! > * Increase size of STREAMS syncronized queues to increase network ! > * performance. Release notes for qfe card recommends setting this ! > * to 25 per 64Mbytes of RAM in the system. It also prevents ! > * receive overrun on the GbE interface. msmiley 7/20/00 ! > ! > set sq_max_size=775 ! > set ge:ge_adv_1000autoneg_cap=0 ! > set ge:ge_adv_1000fdx_cap=1 ! > set ge:ge_adv_pauseTX=1 ! > ! > Also, I've set tcp/udp specific stuff per the Netapp tech suppt. folks: ! > ! > ndd -set /dev/udp udp_recv_hiwat 65535 ! > ndd -set /dev/udp udp_xmit_hiwat 65535 ! > ndd -set /dev/tcp tcp_recv_hiwat 65535 ! > ndd -set /dev/tcp tcp_xmit_hiwat 65535 ! > ! > The netapp is a 740 (5.3.6R1P1) with over 100GB of free space available on the ! > volume I'm copying to/from. ! > ! > Interestingly enough, I have done a packet trace (pktt) on the GBII ! > card and it looks OK. Also, the throughput from my 100BaseT card to ! > the netapp (thru a catalyst 5500) does ~ 7.5 MB/s. ! > ! > *Any* input here would be much appreciated. ! > ! > -Marc ! > ! > ! > ! > Marcus Smiley | Ericsson Wireless Communications, Inc. ! > Unix Sys Admin | 6210 Spine Rd. Boulder, CO 80301 | Ph (303) 473-6903 ! > ! ! -- ! Larry Armstrong ! surfer@netapp.com ! ! bovarism n. - A magnified opinion of one's own abilities.

Marcus Smiley | Ericsson Wireless Communications, Inc. Unix Sys Admin | 6210 Spine Rd. Boulder, CO 80301 | Ph (303) 473-6903