Updated on 2026-08-25 GMT+08:00

Changing the Deadlock Switch Status

Function

This API is used to change the deadlock switch status. It applies only to SQL Server instances.

Authorization Information

Each account has permissions to call all APIs, but IAM users must have the required permissions specifically assigned.

If you are using role/policy-based authorization, see the required permissions in Permissions Policies and Supported Actions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

das:clouddba:changeSqlSwitch

Write

Instance

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:changeSqlSwitch	Write	Instance	-	-	-

URI

POST /v3/{project_id}/dead-lock/switch

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
engine_type	Yes	String	Definition DB engine type Constraints N/A Range MySQL Default Value N/A
switch_on	Yes	Boolean	Definition Switch status Constraints N/A Range false: disabled true: enabled Default Value N/A
instance_id	Yes	Boolean	Definition Instance ID Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A
retention_hours	Yes	Boolean	Definition Retention period Constraints N/A Range N/A Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
success	Boolean	Definition Whether the request is successful Range N/A
status	String	Definition Status value Range 1: successful 2: failed, no polling required 3: failed, polling required
error_msg	Boolean	Definition Error message Range N/A

Example Requests

POST https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/dead-lock/switch
 
{
  "instance_id": "47d0524891964dc48cee42c371928777in04",
  "switch_on": true,
  "engine_type": "sqlserver",
  "retention_hours": 168
}

Example Responses

Status code: 200

Success.

{
  "success": true,
  "status": 1
}

Status Codes

Status Code	Description
200	Success.
400	Client error.
500	Server error.

Error Codes

See Error Codes.

Parent topic: Intelligent O&M