{
  "_comment": "See http://www.chromium.org/chromium-os/building-chromium-os/disk-layout-format",
  "metadata":{
    "alignment": 2048,
    "block_size": 512,
    "fs_block_size": 4096
  },
  "layouts":{
    "base":{
      "1":{
        "label":"EFI-SYSTEM",
        "type":"efi",
        "blocks":"262144",
        "fs_type":"vfat",
        "mount":"/boot/efi",
        "features": ["syslinux"]
      },
      "2":{
        "label":"BOOT-B",
        "type":"coreos-reserved",
        "blocks":"131072"
      },
      "3":{
        "label":"USR-A",
        "uuid":"7130c94a-213a-4e5a-8e26-6cce9662f132",
        "type":"coreos-rootfs",
        "blocks":"2097152",
        "fs_blocks":"262144",
        "fs_type":"ext2",
        "mount":"/usr"
      },
      "4":{
        "label":"USR-B",
        "uuid":"e03dd35c-7c2d-4a47-b3fe-27f15780a57c",
        "type":"coreos-rootfs",
        "blocks":"2097152",
        "fs_blocks":"262144"
      },
      "5":{
        "label":"ROOT-C",
        "uuid":"d82521b4-07ac-4f1c-8840-ddefedc332f3",
        "type":"blank",
        "blocks":"0"
      },
      "6":{
        "label":"OEM",
        "type":"data",
        "blocks":"262144",
        "fs_type":"ext4",
        "mount":"/usr/share/oem"
      },
      "7":{
        "type":"blank",
        "label":"coreos-reserved",
        "blocks":"0"
      },
      "8":{
        "type":"blank",
        "label":"coreos-reserved",
        "blocks":"0"
      },
      "9":{
        "label":"ROOT",
        "type":"coreos-resize",
        "blocks":"1048576",
        "fs_type":"btrfs",
        "fs_subvolume":"root",
        "mount":"/"
      }
    },
    "vm":{
      "9":{
        "label":"ROOT",
        "blocks":"6291456"
      }
    },
    "vagrant":{
      "9":{
        "label":"ROOT",
        "blocks":"33587200"
      }
    }
  }
}