Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: guoyanyan <guoyanyan3@huawei.com>
Co-committed-by: guoyanyan <guoyanyan3@huawei.com>

2022-12-05 13:19:54 +00:00

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Modifying the Specifications of an ECS

Function

ECS specifications can be modified, for example, upgrading the vCPUs and memory, to meet service requirements. This API is used to modify ECS specifications.

An ECS flavor cannot be changed to certain flavors. For details, see Querying the Target Flavors to Which an ECS Flavor Can Be Changed.

Constraints

You can modify the ECS specifications only when the ECS is stopped.

URI

POST /v1/{project_id}/cloudservers/{server_id}/resize

Table 1 describes the parameters in the URI.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID.
server_id	Yes	Specifies the ECS ID.

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
resize	Yes	Object	Specifies the operation to modify ECS specifications. For details, see Table 3.
dry_run	No	Boolean	Specifies whether to only check the request and not modify the ECS specifications. true: The request is sent and the ECS specifications will not be modified. Check items include mandatory parameters and request format. If the check fails, the system returns an error. If the check is successful, the system returns status code 202. false: The request is sent and the ECS specifications will be modified if the check is successful.

**Table 3** **resize** field description
Parameter	Mandatory	Type	Description
flavorRef	Yes	String	Specifies the flavor ID of the ECS after the modification.

Response

See Responses (Task).

Example Request

POST https://{endpoint}/v1/{project_id}/cloudservers/{server_id}/resize

{
"resize": {
        "flavorRef": "c3.15xlarge.2"
    }
}

Example Response

{      
    "job_id": "70a599e0-31e7-49b7-b260-868f441e862b" 
}

Returned Values

See Returned Values for General Requests.

Error Codes

See Error Codes.

Parent topic: Status Management

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