{
    "default": {
        "mounts": [
            "/data0"
        ],
        "devices": [
            "/dev/xvdf"
        ]
    },
    "worker": {
        "mounts": [
            "/data0",
            "/data1",
            "/data2",
            "/data3"
        ],
        "devices": [
            "/dev/xvdf",
            "/dev/xvdg",
            "/dev/xvdh",
            "/dev/xvdi"
        ]
    }
}