Function

This API is used to modify the information about a DCS instance, including the instance name, description, backup policy, start and end time of the maintenance window, and security group.

URI

PUT /v1.0/{project_id}/instances/{instance_id}

Table 1 describes the parameters.

**Table 1** Parameter description
Parameter	Type	Mandatory	Description
project_id	String	Yes	Project ID.
instance_id	String	Yes	DCS instance ID.

Request

Request parameters

Table 2 describes the request parameters.

**Table 2** Parameter description
Parameter	Type	Mandatory	Description
name	String	No	DCS instance name. An instance name can contain 4 to 64 characters, including letters, digits, underscores (_), and hyphens (-), and must start with a letter.
description	String	No	Brief description of the DCS instance. A brief description supports up to 1024 characters. NOTE: "\" is defined as an escape character in the queue description. If you need to enter a backward slash (\) or a double quotation mark (") in the queue description, enter \\ or \".
instance_backup_policy	Object	No	Backup policy. This parameter is available for master/standby and cluster DCS instances. For details, see Table 3 and Table 4.
maintain_begin	String	No	Time at which the maintenance time window starts. Format: hh:mm:ss. The start time and end time of the maintenance time window must indicate the time segment of a supported maintenance time window. For details on how to query the time segments of supported maintenance time windows, see Querying Maintenance Time Window. The start time must be set to 22:00:00, 02:00:00, 06:00:00, 10:00:00, 14:00:00, or 18:00: 00. Parameters maintain_begin and maintain_end must be set in pairs. If parameter maintain_begin is left blank, parameter maintain_end is also blank.
maintain_end	String	No	Time at which the maintenance time window ends. Format: hh:mm:ss. The start time and end time of the maintenance time window must indicate the time segment of a supported maintenance time window. For details on how to query the time segments of supported maintenance time windows, see Querying Maintenance Time Window. The end time is four hours later than the start time. For example, if the start time is 22:00:00, the end time is 02:00:00. Parameters maintain_begin and maintain_end must be set in pairs. If parameter maintain_end is left blank, parameter maintain_start is also blank.
security_group_id	String	No	Security group ID. The value can be obtained from the VPC console or the API. This parameter is supported only by DCS Redis 3.0 instances.

Example request

Request URL:

PUT https://{dcs_endpoint}/v1.0/{project_id}/instances/{instance_id}

Example 1

{
    "description": "instance description"
}

Example 2

{
    "name": "dcs002",
    "description": "instance description",
    "instance_backup_policy": {
        "backup_type": "auto",
        "save_days": 1,
        "periodical_backup_plan": {
            "begin_at": "00:00-01:00",
            "period_type": "weekly",
            "backup_at": [
                "1",
                "2",
                "3",
                "4",
                "6",
                "7"
            ]
        }
    },
    "security_group_id": "18e9309f-f81a-4749-bb21-f74576292162",
    "maintain_begin": "02:00:00",
    "maintain_end": "06:00:00"
}

Response

Response parameters

None

Example response

None

Status Code

Table 3 describes the status code of successful operations. For details about other status codes, see Table 1.

**Table 3** Status code
Status Code	Description
204	DCS instance modified successfully.

Modifying Information About a DCS Instance

Function

URI

Request

Response

Status Code