本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 在 Amazon EC2 上的 SAP HANA 高可用性
<a name="component-configuration-examples-hana-ha"></a>

下列範例顯示在 Amazon EC2 上的 SAP HANA 高可用性 JSON 格式的元件組態。

```
{
  "subComponents": [
    {
      "subComponentType": "AWS::EC2::Instance",
      "alarmMetrics": [
        {
          "alarmMetricName": "hanadb_server_startup_time_variations_seconds",
          "monitor": true
        },
        {
          "alarmMetricName": "hanadb_level_5_alerts_count",
          "monitor": true
        },
        {
          "alarmMetricName": "hanadb_level_4_alerts_count",
          "monitor": true
        },
        {
          "alarmMetricName": "hanadb_out_of_memory_events_count",
          "monitor": true
        },
        {
          "alarmMetricName": "ha_cluster_pacemaker_stonith_enabled",
          "monitor": true
        }
      ],
      "logs": [
        {
          "logGroupName": "SAP_HANA_TRACE-my-resourge-group",
          "logPath": "/usr/sap/HDB/HDB00/*/trace/*.trc",
          "logType": "SAP_HANA_TRACE",
          "monitor": true,
          "encoding": "utf-8"
        },
        {
          "logGroupName": "SAP_HANA_HIGH_AVAILABILITY-my-resource-group",
          "logPath": "/var/log/pacemaker/pacemaker.log",
          "logType": "SAP_HANA_HIGH_AVAILABILITY",
          "monitor": true,
          "encoding": "utf-8"
        }
      ]
    }
  ],
  "hanaPrometheusExporter": {
    "hanaSid": "HDB",
    "hanaPort": "30013",
    "hanaSecretName": "HANA_DB_CREDS",
    "prometheusPort": "9668"
  },
  "haClusterPrometheusExporter": {
    "prometheusPort": "9664"
  }
}
```