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Elastic Compute ServiceElastic Compute ServiceAPI ReferenceHPC clustersDescribeHpcInstancePosition - Queries network location of an HPC instance
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DescribeHpcInstancePosition - Queries network location of an HPC instance
Copy pageDownload PDFDescribeHpcInstancePosition - Queries network location of an HPC instance
Call the DescribeHpcInstancePosition operation to query the location of an HPC-optimized instance in the RDMA network.
Debugging
API Explorer
You can initiate calls online through API Explorer without paying attention to the signature generation process and quickly obtain the call results.
Request parameters
Only the request parameters specific to this operation and some common parameters are listed below. For more information, refer to Common parameters.
Action string required Sample value: DescribeHpcInstancePosition
The action that you want to perform. Value: DescribeHpcInstancePosition.
Version string required Sample value: 2020-04-01
The version of the API. Valid value: 2020-04-01.
InstanceId string required Sample value: i-ybn5lkhxa*******
The ID of the HPC-optimized instance.
Response parameters
Only the response parameters specific to this operation are listed below. For more information, refer to the response structure.
HpcInstancePositionInfos object[] Sample value: --
The RDMA network location of the HPC-optimized instance that meets the condition.
InstanceId string Sample value: i-ybn5lkhxa*******
The ID of the HPC-optimized instance.
RdmaMinipod string Sample value: 1c6d7fa******
The hash value of the Minipod associated with the HPC-optimized instance.
tip
For the same Minipod, the hash value returned by RdmaMinipod varies based on the specified account ID.
SwitchName string Sample value: febd30c******
The hash value of the uplink switch.
tip
For the same switch, the hash value varies based on the specific value of AccountId.
Sample request
GET /?Action=DescribeHpcInstancePosition&InstanceId=i-ybn5lkhxa*******&Version=2020-04-01 HTTP/1.1
Host: ecs.cn-beijing.volcengineapi.com
Region: cn-beijing
Service: ecs
Sample response
{
"ResponseMetadata": {
"RequestId": "202206011341030102121020921F******",
"Action": "DescribeHpcInstancePosition",
"Version": "2020-04-01",
"Service": "ecs",
"Region": "cn-beijing"
},
"Result": {
"HpcInstancePositionInfos":[
{
"InstanceId":"i-ybn5lkhxa*******",
"SwitchName":"febd30c1e4******",
"RdmaMinipod": "1c6d7fa******"
}
]
}
}
Error codes
The table below lists the business-related error codes of the operation. For more information, refer to Common error codes.
Status code | Error code | Error message | Description |
Status code | Error code | Error message | Description |
400 | MissingParameter.Instance | The required parameter InstanceId is not supplied. | The instance ID cannot be left empty. |
400 | InvalidInstanceStatus | The status of the specified instance does not support this request. | The current status of the instance does not support this operation. |
404 | InvalidInstance.NotFound | The specified instance does not exist. | The specified instance does not exist. |
Last updated: 2026.06.18 17:48:27
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