{
  "node-name": "node-a-fo",
  "read-only": false,
  "driver": "raw",
  "file": "node-a-st"
}
{
  "driver": "host_device",
  "filename": "/dev/blah",
  "pr-manager": "node-a-st-pr-alias",
  "node-name": "node-a-st",
  "auto-read-only": true,
  "discard": "unmap"
}
