{
  "output_version": { "command": "zpool list", "vers_major": 0, "vers_minor": 1 },
  "pools": {
    "rpool": {
      "name": "rpool",
      "size": 500000000000,
      "alloc": 200000000000,
      "free": 300000000000,
      "frag": 17,
      "cap": 40,
      "health": "ONLINE"
    },
    "tank": {
      "name": "tank",
      "size": 8000000000000,
      "alloc": 6000000000000,
      "free": 2000000000000,
      "frag": 55,
      "cap": 75,
      "health": "DEGRADED"
    }
  }
}