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# InstanceBlockDeviceMapping
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块设备映射的描述。

## 内容
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 ** deviceName **   <a name="Snowball-Type-devicemanagement_InstanceBlockDeviceMapping-deviceName"></a>
块设备名称。  
类型：字符串  
必需：否

 ** ebs **   <a name="Snowball-Type-devicemanagement_InstanceBlockDeviceMapping-ebs"></a>
用于在启动实例时自动设置 Amazon Elastic Block Store (Amazon EBS) 卷的参数。  
类型：[EbsInstanceBlockDevice](API_devicemanagement_EbsInstanceBlockDevice.md) 对象  
必需：否

## 另请参阅
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有关以特定语言之一使用此 API 的更多信息 AWS SDKs，请参阅以下内容：
+  [AWS 适用于 C\$1\$1 的 SDK](https://docs.aws.amazon.com/goto/SdkForCpp/snow-device-management-2021-08-04/InstanceBlockDeviceMapping) 
+  [AWS 适用于 Java 的 SDK V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/snow-device-management-2021-08-04/InstanceBlockDeviceMapping) 
+  [AWS 适用于 Ruby V3 的 SDK](https://docs.aws.amazon.com/goto/SdkForRubyV3/snow-device-management-2021-08-04/InstanceBlockDeviceMapping)