On 15 June 2018 at 08:47, Jeffrey Zhang <jeffrey.zhang at 99cloud.net> wrote: > Is your current issue caused by mtu? > Yes, mtu issue makes network accessing unstable. > > From the logs in patch, i found this[0]. For x86 test, i don't see this > kind of problem. > > 2018-06-12 11:39:00.154618 | primary | Ign:10 http://mirror.xtom.com.hk > stretch/updates InRelease > 2018-06-12 11:39:00.248832 | primary | Err:11 http://mirror.xtom.com.hk > stretch/updates Release > 2018-06-12 11:39:00.248988 | primary | 404 Not Found [IP: 61.244.214.6 > 80] > 2018-06-12 11:39:01.706093 | primary | Reading package lists... > 2018-06-12 11:39:01.751383 | primary | W: The repository ' > http://mirror.regionone.linaro.openstack.org/debian stretch-backports > Release' is not signed. > 2018-06-12 11:39:01.751571 | primary | W: The repository ' > http://mirror.regionone.linaro.openstack.org/debian stretch Release' is > not signed. > 2018-06-12 11:39:01.751703 | primary | W: The repository ' > http://mirror.regionone.linaro.openstack.org/debian stretch-updates > Release' is not signed. > 2018-06-12 11:39:01.751821 | primary | E: The repository ' > http://security.debian.org stretch/updates Release' does no longer have a > Release file. > > and i doubt you are using vxlan for your vm? check this[1], the vm nic is > using mtu=1450. So you need change you docker's mtu through docker daemon > start parameter. > > dockerd --mtu=1450 xxx > will try to see if we can use jumble frame first. Because this might be the common and simple approach for the clouds. I also see one x86 cloud use mtu=1500 for the vms. Thanks, Xinliang > > > > [0] http://logs.openstack.org/59/557659/19/experimental/kolla- > build-debian-source-arm64/2065879/job-output.txt.gz#_ > 2018-06-12_11_39_00_248832 > [1] http://logs.openstack.org/59/557659/19/experimental/ > kolla-build-debian-source-arm64/2065879/zuul-info/zuul-info.primary.txt > > On Thu, Jun 14, 2018 at 6:43 PM Xinliang Liu <xinliang.liu at linaro.org> > wrote: > >> Hi guys, >> >> The arm64 kolla building job[1] will run containers while building kolla >> images. >> But we met the mtu mismatched issue[2] between container and vm. That >> makes network accessing very unstable or failed in containers. >> >> I wonder how this issue handled on x86 clouds? And how to fix such issue? >> >> >> [1] https://review.openstack.org/#/c/557659/ >> >> [2] https://www.variantweb.net/blog/docker-mtu-issues-on-openstack/ >> >> > > -- > 张雷 Jeffrey Zhang > 九州云信息科技有限公司 99Cloud Inc. > > 邮箱: jeffrey.zhang at 99cloud.net > 地址: 北京海淀区上地三街9 > <https://maps.google.com/?q=%E5%8C%97%E4%BA%AC%E6%B5%B7%E6%B7%80%E5%8C%BA%E4%B8%8A%E5%9C%B0%E4%B8%89%E8%A1%979&entry=gmail&source=g> > 号楼嘉华大厦B座806 > 电话: +86 15532797613 > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-infra/attachments/20180615/a11b6cb3/attachment.html>