[
    {
	  "name":       "samsung-840-pro-256",
      "device":     "/dev/disk/by-id/ata-Samsung_SSD_840_PRO_Series_S1ATNEAD541857W",
      "mountpoint": "/mnt/sda",
      "filesystem": "ext4",
      "brand":      "Samsung",
      "series":     "840 PRO",
      "capacity":   256060514304,
      "rotational": false,
      "transport":  "SATA",
      "hba":        "AHCI",
      "media":      "MLC",
      "blocksize":  512
    }
]

[
    {
	  "name":       "samsung_840_pro_256",
      "device":     "/dev/disk/by-id/ata-Samsung_SSD_840_PRO_Series_S1ATNEAD541857W",
      "mountpoint": "/mnt/sda",
      "filesystem": "ext4",
      "brand":      "Samsung",
      "series":     "840 PRO",
      "capacity":   256060514304,
      "rotational": false,
      "transport":  "SATA",
      "hba":        "AHCI",
      "media":      "MLC",
      "blocksize":  512
    }
]

Switch to underscores in device name.
Switch to underscores in device name.
