[[{"admin_state": "up",
   "admin_state_source": "user",
   "beparams": {},
   "ctime": 1372838883.9710441,
   "disks": ["5d61e205-bf89-4ba8-a319-589b7bb7419e"],
   "disks_active": true,
   "hvparams": {},
   "hypervisor": "xen-pvm",
   "mtime": 1372838946.2599809,
   "name": "instance1.example.com",
   "nics": [
     {
       "mac": "aa:00:00:1d:ba:63",
       "nicparams": {},
       "uuid": "7b7f4249-fab8-4b3f-b446-d7a2aff37644"
     }
   ],
   "os": "busybox",
   "osparams": {},
   "osparams_private": {},
   "primary_node": "60e687a0-21fc-4577-997f-ccd08925fa65",
   "serial_no": 2,
   "uuid": "aec390cb-5eae-44e6-bcc2-ec14d31347f0"
 },
 [{
   "children": [
     {
       "dev_type": "plain",
       "logical_id": [
         "xenvg",
         "df9ff3f6-a833-48ff-8bd5-bff2eaeab759.disk0_data"
         ],
       "params": {},
       "size": 1024,
       "uuid": "eaff6322-1bfb-4d59-b306-4535730917cc",
       "serial_no": 1,
       "ctime": 1372838946.2599809,
       "mtime": 1372838946.2599809
       },
     {
       "dev_type": "plain",
       "logical_id": [
         "xenvg",
         "df9ff3f6-a833-48ff-8bd5-bff2eaeab759.disk0_meta"
         ],
       "params": {},
       "size": 128,
       "uuid": "bf512e95-2a49-4cb3-8d1f-30a503f6bf1b",
       "serial_no": 1,
       "mtime": 1372838946.2599809,
       "ctime": 1372838946.2599809
       }
     ],
   "dev_type": "drbd",
   "iv_name": "disk/0",
   "logical_id": [
     "60e687a0-21fc-4577-997f-ccd08925fa65",
     "c739c7f3-79d8-4e20-ac68-662e16577d2e",
     11000,
     0,
     0,
     "9bdb15fb7ab6bb4610a313d654ed4d0d2433713e"
     ],
   "mode": "rw",
   "params": {},
   "size": 1024,
   "uuid": "5d61e205-bf89-4ba8-a319-589b7bb7419e",
   "serial_no": 1,
   "ctime": 1372838946.2599809,
   "mtime": 1372838946.2599809
  }]]
]