ModifyDBSubnetGroup - Amazon Relational Database Service

Description

Modifies an existing DB subnet group. DB subnet groups must contain at least one subnet in each AZ in the region.

Request Parameters

For information about the common parameters that all actions use, see Common Query Parameters.

Name Description Required

Name	Description	Required
`DBSubnetGroupDescription`	The description for the DB Subnet Group. Type: String	No
`DBSubnetGroupName`	The name for the DB Subnet Group. This value is stored as a lowercase string. Constraints: Must contain no more than 255 alphanumeric characters or hyphens. Must not be "Default". Example: `mySubnetgroup` Type: String	Yes
`SubnetIds.member.N`	The EC2 Subnet IDs for the DB Subnet Group. Type: String list	Yes

DBSubnetGroupDescription

The description for the DB Subnet Group.

Type: String

No

DBSubnetGroupName

The name for the DB Subnet Group. This value is stored as a lowercase string.

Constraints: Must contain no more than 255 alphanumeric characters or hyphens. Must not be "Default".

Example: mySubnetgroup

Type: String

Yes

SubnetIds.member.N

The EC2 Subnet IDs for the DB Subnet Group.

Type: String list

Yes

Response Elements

The following elements come wrapped in a DBSubnetGroup structure.

Name	Description
`DBSubnetGroupDescription`	Provides the description of the DB Subnet Group. Type: String
`DBSubnetGroupName`	Specifies the name of the DB Subnet Group. Type: String
`SubnetGroupStatus`	Provides the status of the DB Subnet Group. Type: String
`Subnets`	Contains a list of ??? elements. Type: Subnet list
`VpcId`	Provides the VpcId of the DB Subnet Group. Type: String

Errors

For information about the common errors that all actions use, see Common Errors.

Error	Description	HTTP Status Code
`DBSubnetGroupListDoesNotCoverAllAz`	Subnets in the DB subnet group should cover all availability zones.	400
`DBSubnetGroupNotFound`	DBSubnetGroupName does not refer to an existing DB Subnet Group.	400
`DBSubnetQuotaExceeded`	Request would result in user exceeding the allowed number of subnets in a DB subnet Groups.	400
`InvalidSubnet`	Request subnet is valid, or all subnets are not in common Vpc.	400
`SubnetAlreadyInUse`		400

Examples

Sample Request

https://rds.amazonaws.com/
    ?Action=ModifyDBSubnetGroup
    &DBSubnetGroupName=mydbsubnetgroup
    &DBSubnetGroupDescription=My%20modified%20DBSubnetGroup
    &Version=2012-04-23
    &SignatureVersion=2
    &SignatureMethod=HmacSHA256
    &Timestamp=2011-02-15T18%3A14%3A49.482Z
    &AWSAccessKeyId=<AWS Access Key ID>
    &Signature=<Signature>

Sample Response

<ModifyDBSubnetGroupResponse xmlns="http://rds.amazonaws.com/doc/2012-04-23/">
    <ModifyDBSubnetGroupResult>
            <DBSubnetGroup>
                <VpcId>990524496922</VpcId>
                <SubnetGroupStatus>Complete</SubnetGroupStatus>
                <DBSubnetGroupDescription>My modified DBSubnetGroup</DBSubnetGroupDescription>
                <DBSubnetGroupName>mydbsubnetgroup</DBSubnetGroupName>
                <Subnets>
                    <Subnet>
                        <SubnetStatus>Active</SubnetStatus>
                        <SubnetIdentifier>subnet-7c5b4115</SubnetIdentifier>
                        <SubnetAvailabilityZone>
                            <Name>us-east-1c</Name>
                        </SubnetAvailabilityZone>
                    </Subnet>
                    <Subnet>
                        <SubnetStatus>Active</SubnetStatus>
                        <SubnetIdentifier>subnet-7b5b4112</SubnetIdentifier>
                        <SubnetAvailabilityZone>
                            <Name>us-east-1b</Name>
                        </SubnetAvailabilityZone>
                    </Subnet>
                    <Subnet>
                        <SubnetStatus>Active</SubnetStatus>
                        <SubnetIdentifier>subnet-3ea6bd57</SubnetIdentifier>
                        <SubnetAvailabilityZone>
                            <Name>us-east-1d</Name>
                        </SubnetAvailabilityZone>
                    </Subnet>
                </Subnets>
            </DBSubnetGroup>       
        </ModifyDBSubnetGroupResult>
        <ResponseMetadata>
            <RequestId>ed662948-a57b-11df-9e38-7ffab86c801f</RequestId>
        </ResponseMetadata>
    </ModifyDBSubnetGroupResponse>