This API is used to restart a single BMS.

Currently, only forcible restart is supported.

POST /v2.1/{project_id}/servers/{server_id}/action

Table 1 lists the parameters.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For how to obtain the project ID, see Obtaining Required Information.
server_id	Yes	Specifies the BMS ID. You can obtain the BMS ID from the BMS console or using the Querying BMSs (Native OpenStack API) API.

Request parameters

Parameter	Mandatory	Type	Description
reboot	Yes	Object	Specifies the operation of restarting the BMS. For details, see Table 2.

**Table 2** **reboot** field data structure description
Parameter	Mandatory	Type	Description
type	Yes	String	Specifies the type of the restart operation. SOFT: soft restart HARD: forcible restart NOTE: Currently, value SOFT is invalid. All BMS restart operations are forcible restart.

Example request

POST https://{ECS Endpoint}/v2.1/c685484a8cc2416b97260938705deb65/servers/95bf2490-5428-432c-ad9b-5e3406f869dd/action

{
    "reboot": {
        "type": "HARD"
    }
}

N/A

Normal values

Returned Values	Description
204	The server has processed the request but did not return any content.

For details about other returned values, see Status Codes.

Restarting a BMS (Native OpenStack API)