docker swarm 数据卷操作

时间：2025-05-11 07:21:32

docker swarm 数据卷操作

 

 

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docker volume

 

命令格式：docker volume command

    

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    Usage:	docker volume COMMAND
    

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    Manage volumes
    

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    Commands:
    

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      create      Create a volume
    

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      inspect     Display detailed information on one or more volumes
    

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      ls          List volumes
    

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      prune       Remove all unused local volumes
    

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      rm          Remove one or more volumes
    

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    Run 'docker volume COMMAND --help' for more information on a command.
    

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create：创建数据卷

inspect：查看数据卷详细信息

ls：列出数据卷

prune：删除不使用的数据卷

rm：删除数据卷

 

 

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docker volume create

 

命令格式：docker volume create [options] volume_name

    

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    Usage:	docker volume create [OPTIONS] [VOLUME]
    

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    Create a volume
    

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    Options:
    

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      -d, --driver string   Specify volume driver name (default "local")
    

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          --label list      Set metadata for a volume
    

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      -o, --opt map         Set driver specific options (default map[])
    

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示例

 

创建数据卷：docker volume create my_volume

    

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    [root@centos docker]# docker volume create my_volume

    

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    my_volume
    

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查看数据卷信息

    

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    [root@centos docker]# docker volume inspect my_volume

    

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    [
    

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        {
    

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            "CreatedAt": "2020-08-23T10:29:12+08:00",
    

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            "Driver": "local",
    

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            "Labels": {},
    

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            "Mountpoint": "/var/lib/docker/volumes/my_volume/_data",
    

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            "Name": "my_volume",
    

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            "Options": {},
    

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            "Scope": "local"

    

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        }
    

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    ]
    

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宿主机目录：/var/lib/docker/volumes/my_volume/_data

 

 

创建服务时，添加数据卷

    

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    [root@centos docker]# docker service create --mount type=volume,source=my_volume,target=/test --name redis redis

    

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    overall progress: 1 out of 1 tasks 
    

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    1/1: running   [==================================================>] 
    

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    verify: Service converged 
    

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服务创建后，添加数据卷

    

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    [root@centos docker]# docker service update --mount-add type=volume,source=add_volume,target=/test2 redis

    

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    redis
    

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    overall progress: 1 out of 1 tasks 
    

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    1/1: running   [==================================================>] 
    

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    verify: Service converged 
    

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服务创建后，删除数据卷

    

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    [root@centos docker]# docker service update --mount-rm /test2 redis

    

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    redis
    

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    overall progress: 1 out of 1 tasks 
    

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    1/1: running   [==================================================>] 
    

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    verify: Service converged 
    

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示例 2

 

创建服务时，添加数据卷

    

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    [root@centos docker]# docker service create --mount type=bind,source=/usr/docker/test,target=/test --name redis redis

    

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    overall progress: 1 out of 1 tasks 
    

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    1/1: running   [==================================================>] 
    

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    verify: Service converged 
    

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数据卷添加、删除同上操作

 

 

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