参考 https://www.cnblogs.com/CloudMan6/p/7607705.html   Rax-Ray 是一个优秀的Docker volume driver ，本节将学习其安装和配置方法。   Rex-Ray 以 standalone 进程的方式运行在 Docker 主机上，安装方法很简单，在需要使用Rex-Ray driver 的主机 docker1 和  docker2 上运行如下命令   root@docker1:~# curl -sSL https://rexray.io/install | sh - Selecting previously unselected package rexray. (Reading database ... 60121 files and directories currently installed.) Preparing to unpack rexray_0.11.4-1_amd64.deb ... Unpacking rexray (0.11.4-1) ... Setting up rexray (0.11.4-1) ...   rexray has been installed to /usr/bin/rexray   REX-Ray ------- Binary: /usr/bin/rexray Flavor: client+agent+controller SemVer: 0.11.4 OsArch: Linux-x86_64 Commit: e7414eaa971b27977d2283f2882825393493179d Formed: Wed, 16 Jan 2019 00:03:57 CST   root@docker2:~# curl -sSL https://rexray.io/install | sh - Selecting previously unselected package rexray. (Reading database ... 60121 files and directories currently installed.) Preparing to unpack rexray_0.11.4-1_amd64.deb ... Unpacking rexray (0.11.4-1) ... Setting up rexray (0.11.4-1) ...   rexray has been installed to /usr/bin/rexray   REX-Ray ------- Binary: /usr/bin/rexray Flavor: client+agent+controller SemVer: 0.11.4 OsArch: Linux-x86_64 Commit: e7414eaa971b27977d2283f2882825393493179d Formed: Wed, 16 Jan 2019 00:03:57 CST     root@docker1:~# cat /etc/rexray/config.yml libstorage:   service: virtualbox virtualbox:   endpoint: http://10.12.28.120:18083   volumePtah: C:\share   controllerName: SATA   #    libstorage-service        1 使用Virtualbox的Virtual media作为backend，提供data volue，生产环境中使用 ceph RBD 等 #    virtualbox-endpoint       1 实验环境中提供backend 的地址 #    virtualbox-volumePtah:    1 实验环境中提供backed的目录 #    virtualbox-controllerName:1 controller 的名字      
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