scripts/build_library/disk_layout.json at 10ce3cc469ed30bee7820436f9f7019c8fbaafba · flatcar/scripts · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
{
  "_comment": "See http://www.chromium.org/chromium-os/building-chromium-os/disk-layout-format",
  "metadata":{
    "_comment": "Partitions are aligned to 2MB (4096 blocks). For the sake of VHD disks sizes should align to *both* 2MB and a CHS cylender boundry for the common 16H 63S geometry (16*63 = 1008 blocks). The least common multiple of 4096 and 1008 is 258048 blocks.",
    "part_alignment": 4096,
    "disk_alignment": 258048,
    "block_size": 512,
    "fs_block_size": 4096
  },
  "layouts":{
    "base":{
      "1":{
        "label":"EFI-SYSTEM",
        "fs_label":"EFI-SYSTEM",
        "type":"efi",
        "blocks":"262144",
        "fs_type":"vfat",
        "mount":"/boot",
        "features": []
      },
      "2":{
        "label":"BIOS-BOOT",
        "type":"bios",
        "blocks":"4096"
      },
      "3":{
        "label":"USR-A",
        "uuid":"7130c94a-213a-4e5a-8e26-6cce9662f132",
        "type":"flatcar-rootfs",
        "blocks":"2097152",
        "fs_blocks":"260094",
        "fs_type":"btrfs",
        "fs_compression":"zstd",
        "mount":"/usr",
        "features": ["prioritize", "verity"]
      },
      "4":{
        "label":"USR-B",
        "uuid":"e03dd35c-7c2d-4a47-b3fe-27f15780a57c",
        "type":"flatcar-rootfs",
        "blocks":"2097152",
        "fs_blocks":"262144"
      },
      "5":{
        "label":"ROOT-C",
        "uuid":"d82521b4-07ac-4f1c-8840-ddefedc332f3",
        "type":"blank",
        "blocks":"0"
      },
      "6":{
        "label":"OEM",
        "fs_label":"OEM",
        "type":"data",
        "blocks":"262144",
        "fs_type":"btrfs",
        "fs_compression":"zlib",
        "mount":"/oem"
      },
      "7":{
        "label":"OEM-CONFIG",
        "type":"flatcar-reserved",
        "blocks":"131072"
      },
      "8":{
        "type":"blank",
        "label":"flatcar-reserved",
        "blocks":"0"
      },
      "9":{
        "label":"ROOT",
        "fs_label":"ROOT",
        "type":"flatcar-resize",
        "blocks":"4427776",
        "fs_type":"ext4",
        "mount":"/"
      }
    },
    "vm":{
      "9":{
        "label":"ROOT",
        "fs_label":"ROOT",
        "blocks":"12943360"
      }
    },
    "azure":{
      "9":{
        "label":"ROOT",
        "fs_label":"ROOT",
        "blocks":"58875904"
      }
    },
    "vagrant":{
      "9":{
        "label":"ROOT",
        "fs_label":"ROOT",
        "blocks":"33845248"
      }
    },
    "onmetal":{
      "7":{
        "label":"config-2",
        "fs_label":"config-2",
        "type":"data",
        "fs_type":"ext2"
      }
    },
    "container":{
      "1":{
        "type":"blank"
      },
      "2":{
        "type":"blank"
      },
      "3":{
        "type":"blank"
      },
      "4":{
        "type":"blank"
      },
      "5":{
        "type":"blank"
      },
      "6":{
        "type":"blank"
      },
      "7":{
        "type":"blank"
      },
      "8":{
        "type":"blank"
      },
      "9":{
        "label":"ROOT",
        "fs_label":"ROOT",
        "type":"0fc63daf-8483-4772-8e79-3d69d8477de4",
        "blocks":"12582912"
      }
    }
  }
}