RemoveBackendServers - Developer Guide| Alibaba Cloud Documentation Center

Description

Delete the backend server; delete a group of backend servers from the Server Load Balancer instance to return the backend server list in the Server Load Balancer instance.
Note: If some backend servers in BackendServers do not exist in the Server Load Balancer instance, they will be ignored directly without any error being reported.

Request parameter

Name	Type	Mandatory or not	Description
Action	String	Yes	Name of the operating interface, which is specified in the system Value：RemoveBackendServers
LoadBalancerId	String	Yes	The unique ID of an Server Load Balancer instance
BackendServers	String	Yes	Backend server list to be removed. Value：It is a Jsonstring, and its structure is a JsonList. The elements in the List are in String type, which are ServerIds of the backend Server. The List can only contain 20 elements at most in one request.

Return parameter

Name	Type	Description
Common Parameter		See Common Parameter for details.
LoadBalancerId	String	The unique ID of an Server Load Balancer instance
BackendServers	List	Information of multiple backend servers in the Server Load Balancer instance is returned in the array format. See the following table for details.

Example

Request example

    https://slb.aliyuncs.com/
    &Action=RemoveBackendServers
    &LoadBalancerId=139a00604ad-cn-east-hangzhou-01
    &BackendServers=[" vm-233"," vm-234"]
    &<common request parameter>

Return example

XML format

      <?xml version="1.0" encoding="UTF-8"?>
      <RemoveBackendServersResponse>
      <RequestId>365F4154-92F6-4AE4-92F8-7FF34B540710</RequestId>
      <LoadBalancerId>139a00604ad-cn-east-hangzhou-01</LoadBalancerId>
      <BackendServers>
          <BackendServer>
              <ServerId>vm-231</ServerId>
              <Weight>100</Weight>
          </BackendServer>
          <BackendServer>
              <ServerId>vm-232</ServerId>
              <Weight>100</Weight>
          </BackendServer>
      </BackendServers>
      </RemoveBackendServersResponse>

JSON format

      {
      "RequestId":"365F4154-92F6-4AE4-92F8-7FF34B540710",
      "LoadBalancerId":"139a00604ad-cn-east-hangzhou-01",
      "BackendServers":{
          “BackendServer”: [
          {"ServerId":"vm-231",
          "Weight":100},
          {"ServerId":"vm-232",
          "Weight":100}] }
      }