Docker

多灾多难的Docker问题杂锦

声明

最后更新日期

1
Data: 2015.06.08

遇上问题的版本号

CentOS 版本

System Version: CentOS 7
Docker Version: 1.5.0

Ubuntu 版本

System Version: Ubuntu 14.10
Docker Version: 1.6.1

杂锦

Docker 自动启动

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# CentOS
systemctl enable docker
# Ubuntu
service docker enabled

DeviceMapper 修复

错误:

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Error response from daemon: Error running DeviceCreate (createSnapDevice) dm_task_run failed

解法:

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# CentOS
systemctl stop docker

thin_check /var/lib/docker/devicemapper/devicemapper/metadata
# if no error
thin_check –clear-needs-check-flag /var/lib/docker/devicemapper/devicemapper/metadata

systemctl start docker

但如有用Error呢? 先去修复!

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# CentOS
thin_dump -r /var/lib/docker/devicemapper/devicemapper/metadata -o /tmp/metadata.xml
thin_restore -i /tmp/metadata.xml -o /var/lib/docker/devicemapper/devicemapper/metadata

网上基本都是说, 如果没有错误就thin_check –clear-needs-check-flag, 但却一句不提有错误的话该怎样.

缺失thin_check

错误:

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thin_check: command not found

解法:

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# CentOS
yum install lvm2

Pull 失败

错误:

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error downloading dependent layers

解法:

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Pull 其他Image, 完成后再Pull回来
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/**************************************************
 * 2015-06-08 更新分隔
 **************************************************/

阿里云下 docker 启动失败

错误:

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FATA[0000] Get http:///var/run/docker.sock/v1.18/containers/json: dial unix /var/run/docker.sock: no such file or directory. Are you trying to connect to a TLS-enabled daemon without TLS?

起因:

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因为ubuntu放在阿里云上面, 而阿里云把所以内网IP都占用了, 所以要搞一下配置文件

解法:

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arylo@PandoraBox:~$ sudo docker -d
# INFO[0000] +job init_networkdriver()
# INFO[0000] +job serveapi(unix:///var/run/docker.sock)
# INFO[0000] Listening for HTTP on unix (/var/run/docker.sock)
# Could not find a free IP address range for interface 'docker0'.
#  Please configure its address manually and run 'docker -b docker0'
# INFO[0000] -job init_networkdriver() = ERR (1)
# FATA[0000] Shutting down daemon due to errors: Could not find a free IP address range for interface 'docker0'.
#  Please configure its address manually and run 'docker -b docker0'

sudo vi /etc/network/interfaces
# "up route add -net 172.16.0.0 netmask 255.240.0.0 gw 10.170.191.247 dev eth0"
# 将这一句注释掉

arylo@PandoraBox:~$ sudo /etc/init.d/networking restart
# * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces
# * Reconfiguring network interfaces...
# ssh start/running, process 3547
# ssh stop/waiting
# ssh start/running, process 3598

arylo@PandoraBox:~$ sudo service docker restart
# docker stop/waiting
# docker start/running, process 3884

解法参照:
http://www.cnblogs.com/MicroTeam/p/see-docker-run-in-debian-with-aliyun-ecs.html
虽然这篇的系统是Debian, 但还是感谢作者

Arylo Yeung, Typescripter, 暂留在鹅厂
tomail:arylo.open@gmail.com