Hi there, We think we have some problems with our virtualisation infrastructure and opemvswitch environment.
We encounter any curious problems. We use Fujitsu Hosts with the following setup. OpenShift Settings: OKD: 3.11 openvswitch version: 2.7.0 KVM Host Settings: CentOS version: 7.6.1810 kernel version: 3.10.0-957.21.3.el7.x86_64 qemu version: qemu-kvm-ev-2.10.0-21.el7_5.7.1 libvirtd version: 5.0.0 openvswitch version: 2.11.0 openvswitch db version: 7.16.1 puppet agent version: 5.5.14 It seems that we have strange problems because we run … KVM (qemu/libvirt) -> OVS -> VM -> OVS (vxlan inside of the OpenShift VMs) -> docker container Inside of the OpenShift VMs is looks like we get always network timeouts and high latency. If we check netstat -s we see inside of a machine of OpenvSwitch the following Tcp: 1477858 active connections openings 664429 passive connection openings 425095 failed connection attempts 416553 connection resets received 439 connections established 313764872 segments received 379372777 segments send out 409605 segments retransmited 246 bad segments received. 1629884 resets sent If we run ping from one docker container -> docker container we get high ping rate … they move up and down … 64 bytes from 10.32.24.76: icmp_seq=5 ttl=64 time=1.09 ms 64 bytes from 10.32.24.76: icmp_seq=6 ttl=64 time=0.264 ms 64 bytes from 10.32.24.76: icmp_seq=7 ttl=64 time=0.292 ms 64 bytes from 10.32.24.76: icmp_seq=8 ttl=64 time=0.243 ms 64 bytes from 10.32.24.76: icmp_seq=9 ttl=64 time=1.05 ms 64 bytes from 10.32.24.76: icmp_seq=10 ttl=64 time=0.292 ms 64 bytes from 10.32.24.76: icmp_seq=11 ttl=64 time=0.258 ms 64 bytes from 10.32.24.76: icmp_seq=12 ttl=64 time=2.57 ms 64 bytes from 10.32.24.76: icmp_seq=13 ttl=64 time=0.260 ms 64 bytes from 10.32.24.76: icmp_seq=14 ttl=64 time=0.152 ms 64 bytes from 10.32.24.76: icmp_seq=15 ttl=64 time=0.269 ms There are any ideas what could be the problem? Thanks and help Sven __ Sven Vogel Teamlead Platform EWERK DIGITAL GmbH Brühl 24, D-04109 Leipzig P +49 341 42649 - 99 F +49 341 42649 - 98 s.vo...@ewerk.com www.ewerk.com Geschäftsführer: Dr. Erik Wende, Hendrik Schubert, Frank Richter Registergericht: Leipzig HRB 9065 Zertifiziert nach: ISO/IEC 27001:2013 DIN EN ISO 9001:2015 DIN ISO/IEC 20000-1:2011 EWERK-Blog | LinkedIn | Xing | Twitter | Facebook Auskünfte und Angebote per Mail sind freibleibend und unverbindlich. Disclaimer Privacy: Der Inhalt dieser E-Mail (einschließlich etwaiger beigefügter Dateien) ist vertraulich und nur für den Empfänger bestimmt. Sollten Sie nicht der bestimmungsgemäße Empfänger sein, ist Ihnen jegliche Offenlegung, Vervielfältigung, Weitergabe oder Nutzung des Inhalts untersagt. Bitte informieren Sie in diesem Fall unverzüglich den Absender und löschen Sie die E-Mail (einschließlich etwaiger beigefügter Dateien) von Ihrem System. Vielen Dank. The contents of this e-mail (including any attachments) are confidential and may be legally privileged. If you are not the intended recipient of this e-mail, any disclosure, copying, distribution or use of its contents is strictly prohibited, and you should please notify the sender immediately and then delete it (including any attachments) from your system. Thank you. _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
