[OpenStack-Infra] [Ask for Help] docker-mtu-issues-on-openstack

Jeffrey Zhang jeffrey.zhang at 99cloud.net
Fri Jun 15 00:47:21 UTC 2018


Is your current issue caused by mtu?

>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



[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/20180615/3612b64c/attachment.html>


More information about the OpenStack-Infra mailing list