Remove backend servers from a VServer group.

Note If the backend server specified in the BackendServers parameter does not exist in the specified VServer group, it is ignored and no error is returned.

Request parameters

Name Type Required Description
Action  String  Yes The action to perform. Valid value:

RemoveVServerGroupBackendServers
RegionId String  Yes The ID of the region where the Server Load Balancer instance is located.

You can obtain the region ID by calling the DescribeRegions API.

VServerGroupId String  Yes The ID of the VServer group.
Backendservers String

List

 Yes The list of backend servers.

A VServer group can contain 20 backend servers at most.
Table 1. BackendServer
Name Type Required  Description
ServerId String  Yes The ID of the ECS instance.
Port Integer Yes The port used by the backend server.

Valid value: 1-65535
Type String  Yes The type of the backend server. Valid value:
  • ecs: ECS instance (Default)
  • eni: Elastic Network Interface (ENI)

Response parameters

Name Type Description
RequestId String The ID of the request.
VServerGroupId String The ID of the VServer group.
Backendservers List The list of backend servers.

Examples

Request example

https://slb.aliyuncs.com/?Action=RemoveVServerGroupBackendServers
&RegionId=cn-hangzhou
&LoadBalancerId=lb-t4nj5vuz8ish9emfk1f20
&VServerGroupName=Group1
&BackendServers=[
    {"ServerId":"vm-233","Port":"80","Weight":"100","Type":"ecs},
    {"ServerId":"vm-232","Port":"90","Weight":"100","Type":"ecs},
]
&CommonParameters

Response example

  • XML format
    <? xml version="1.0" encoding="utf-8"? >
<RemoveVServerGroupBackendServersResponse>
	<RequestId>9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C</RequestId>
	<VServerGroupId>rsp-cige6j5e7p</VServerGroupId>
	<BackendServers>
		<BackendServer>
			<ServerId>vm-231</ServerId>
			<Port>70</Port>
			<Weight>100</Weight>
                        <Type>ecs</Type>
		</BackendServer>
	</BackendServers>
</RemoveVServerGroupBackendServersResponse>
  • JSON format
    {
  "RequestId":"9DEC9C28-AB05-4DDF-9A78-6B08EC9CE18C",
  "VServerGroupId":"rsp-cige6j5e7p",
  "BackendServers":{
  "BackendServer":[
    {"ServerId":"vm-233","Port":"80","Weight":"100","Type":"ecs},
    {"ServerId":"vm-232","Port":"90","Weight":"100","Type":"ecs},
    {"ServerId":"vm-231","Port":"70","Weight":"100","Type":"ecs}
    ]
  }
}