DeleteNodes - Elastic High Performance Computing - Alibaba Cloud Documentation Center

Deletes compute nodes from an Enterprise High Performance Computing (E-HPC) cluster at a time.

Operation description

Usage notes

Before you delete a compute node, we recommend that you export all job data from the node to prevent data loss.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- For mandatory resource types, indicate with a prefix of * .
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ehpc:DeleteNodes	delete	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
ClusterId	string	No	The cluster ID. You can call the listclusters operation to query the cluster ID.	ehpc-hz-FYUr32****
InstanceIds	array	No	The instance IDs of the compute nodes that you want to delete.
	string	No	The instance ID of the compute node that you want to delete.	i-hp3347creaivnt******

Response parameters

Parameter	Type	Description	Example
	object	The data returned.
RequestId	string	The request ID.	04F0F334-1335-436C-A1D7-6C044FE7****
Success	boolean	Indicates whether the request was successful. Valid values: true: The request was successful. false: The request failed.	true
TaskId	string	The task ID.	04F0F334-1335-436C-A1D7-6C044FE7****

Examples

Sample success responses

JSONformat

{
  "RequestId": "04F0F334-1335-436C-A1D7-6C044FE7****",
  "Success": true,
  "TaskId": "04F0F334-1335-436C-A1D7-6C044FE7****"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

No change history