docker 数据管理<1>

1. 挂载本地的目录到容器里:

docker run -itd -v /data/:/data1 centos  bash // -v 用来指定挂载目录,

:前面的/data为本地目录,:后面的/data1 为容器里的目录:

docker:/root# docker images
REPOSITORY                        TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
centos_6.5_all                    scan                f01c69d919d1        5 hours ago         975.4 MB
centos_6.5                        zjzc                a05f15a89c8d        6 hours ago         924 MB
centos-6-x86-template             zjzc                50fca37b01a1        6 hours ago         574.3 MB
centos_6.5_net                    scan                9e2de3fc0748        24 hours ago        398.6 MB
centos_with_net                   czcb                92b2e7f857ae        26 hours ago        269.5 MB
ubuntu                            latest              c917d6497f55        2 days ago          187.9 MB
januswel/centos                   latest              088820de4929        13 days ago         198.3 MB
linux123                          xxx123              088820de4929        13 days ago         198.3 MB
linux123                          jj                  088820de4929        13 days ago         198.3 MB
linux123                          latest              088820de4929        13 days ago         198.3 MB
172.17.42.1:5000/zjzc-test01      latest              bb3d629a7cbc        13 days ago         196.6 MB
centos                            latest              bb3d629a7cbc        13 days ago         196.6 MB
192.168.32.150:5000/zjzc-test02   latest              bb3d629a7cbc        13 days ago         196.6 MB
registry                          latest              07d93e41c370        7 weeks ago         422.8 MB
blalor/centos                     latest              f01c1b138488        21 months ago       322.4 MB

docker:/root# docker run -itd -v /data/:/data1 centos_6.5_all:scan  bash
c6643476b61ba633a18a1c5e414f16f8120b0dd25b6efd2a164e1dac8a349720

docker:/root# docker ps
CONTAINER ID        IMAGE                 COMMAND             CREATED             STATUS              PORTS

NAMES
c6643476b61b        centos_6.5_all:scan   "bash"              27 seconds ago      Up 26 seconds

jovial_mclean
402620f666c1        registry              "docker-registry"   55 minutes ago      Up 39 minutes

0.0.0.0:5000->5000/tcp   gloomy_brown
docker:/root# docker exec -it  c6643476b61b bash

bash-4.1# df -h
Filesystem            Size  Used Avail Use% Mounted on
rootfs                9.8G  827M  8.5G   9% /
/dev/mapper/docker-253:0-131624-c6643476b61ba633a18a1c5e414f16f8120b0dd25b6efd2a164e1dac8a349720
9.8G  827M  8.5G   9% /
tmpfs                 939M     0  939M   0% /dev
shm                    64M     0   64M   0% /dev/shm
/dev/mapper/vg00-lv_root
97G  9.0G   83G  10% /data1

挂载数据卷:

新的容器使用旧的容器的数据卷:

docker:/root# docker run -itd --name zjzc_z1 --volumes-from zjzc_awp centos bash
bd6db4127a9e885990753f9d3036e3d060268dd8c4a03d03844e8d5fa53b1a6b
docker:/root# docker ps
CONTAINER ID        IMAGE                 COMMAND             CREATED              STATUS

PORTS                    NAMES
bd6db4127a9e        centos                "bash"              2 seconds ago        Up 2 seconds

zjzc_z1

docker:/root# docker exec -it bd6db4127a9e bash
[root@bd6db4127a9e /]# df
Filesystem                                                                                       1K-blocks

Used Available Use% Mounted on
/dev/mapper/docker-253:0-131624-bd6db4127a9e885990753f9d3036e3d060268dd8c4a03d03844e8d5fa53b1a6b  10190136

235372   9430476   3% /
tmpfs                                                                                               961124

0    961124   0% /dev
shm                                                                                                  65536

0     65536   0% /dev/shm
/dev/mapper/vg00-lv_root                                                                         100758960

9388664  86246536  10% /data2