{
    "@timestamp": "2017-10-12T08:05:34.853Z",
    "beat": {
        "hostname": "host.example.com",
        "name": "host.example.com"
    },
    "metricset": {
        "module": "system",
        "name": "raid",
        "rtt": 115
    },
    "system": {
        "raid": {
            "activity_state": "active",
            "blocks": {
                "synced": 5853468288,
                "total": 5853468288
            },
            "disks": {
                "active": 8,
                "total": 8
            },
            "name": "md3"
        }
    }
}