/va/lib/docker #此目录存放容器的数据
ADD 可以解压,COPY仅仅只能复制
[root@foundation44 ~]# docker pull ubuntu # 拉取镜像
[root@foundation44 ~]# mkdir /data1 # 建立目录
[root@foundation44 ~]# docker run -it --name vm1 -v /data1 ubuntu # 创建容器
root@c611799059c4:/# df
Filesystem 1K-blocks Used Available Use% Mounted on
overlay 307430744 40290320 267140424 14% /
tmpfs 1963368 0 1963368 0% /dev
tmpfs 1963368 0 1963368 0% /sys/fs/cgroup
/dev/mapper/rhel_foundation44-root 307430744 40290320 267140424 14% /data1
shm 65536 0 65536 0% /dev/shm
tmpfs 1963368 0 1963368 0% /sys/firmware
root@c611799059c4:/# cd data1/
root@c611799059c4:/data1# ls
[root@foundation44 ~]# df
307430744 40290360 267140384 14% /var/lib/docker/overlay/6c4631b1429c0bd5e737894f1c237701744801fcf2ef50637f0c21be6b40583a/merged
shm 65536 0 65536 0% /var/lib/docker/containers/c611799059c44503094167fd2ddd566e7e888e4bc69add4f02bdcb9379118c3f/shm
[root@foundation44 ~]# docker inspect vm1
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02"
[root@foundation44 ~]# docker inspect vm1 | grep vol # 过滤逻辑卷组
"Type": "volume",
"Source": "/var/lib/docker/volumes/cd4f92416293cc192361b687a23bed2351e311f5b16f565fbf11c38513e65031/_data",
[root@foundation44 ~]# cd /var/lib/docker/vo