默认都存放在系统盘,导致某些机器的系统盘负载严重,可以使用以下方式更改,请自行备份数据。
在数据盘里新建一个目录存放docker,我这里在/www/下新建一个docker文件夹,也就是/www/docker
打开以下文件修改:
/etc/docker/daemon.json
将修改写进这个json文件里:
{
"data-root": "/www/docker/",
"registry-mirrors": ["https://b9pmyelo.mirror.aliyuncs.com"]
}
请注意json的书写格式。
修改完后输入命令重启docker
systemctl restart docker
有数据的,可以先数据迁移到新目录里。
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