Creating a Replication Pair

Function

This API is used to create a replication pair and add it to the specified protection group.

Constraints and Limitations

• status of the protection group must be available or protected.
• If server_type of the protection group is set to ECS, the disk status is Available.

URI

• URI format

  POST /v1/{project_id}/replications

• Parameter description

  Parameter	Mandatory	Type	Description
  project_id	Yes	String	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.

Request

• Parameter description

  Parameter	Mandatory	Type	Description
  replication	Yes	Object	Specifies the information about a replication pair. For details, see Table 1.

  Table 1 replication field description

  Parameter	Mandatory	Type	Description
  server_group_id	Yes	String	Specifies the ID of a protection group. You can obtain this value by calling the API described in Querying Protection Groups.
  volume_id	Yes	String	Specifies the ID of the production site disk. NOTE: When the API is successfully invoked, the DR site disk will be automatically created.
  name	Yes	String	Specifies the name of a replication pair. The name can contain a maximum of 64 bytes. The value can contain only letters (a to z and A to Z), digits (0 to 9), decimal points (.), underscores (_), and hyphens (-).
  description	No	String	Specifies the description of a replication pair. The value can contain a maximum of 64 bytes and cannot contain the left angle bracket (<) or right angle bracket (>).
  cluster_id	No	String	Specifies the DSS storage pool ID.

• Example request
  POST https://{Endpoint}/v1/{project_id}/replications

  { 
      "replication": { 
         "server_group_id": "c79fba33-b165-4c69-80c1-d7e590691162", 
         "volume_id": "b6f71149-7b9c-4f36-8ff0-1c4809a6f2c2", 
         "name": "replication_name", 
         "description": "replication_description" 
     } 
   }

Response

• Parameter description

  Parameter	Type	Description
  job_id	String	Specifies the job ID. This is a returned parameter when the asynchronous API command is issued successfully. For details about the task execution result, see the description in Querying the Job Status.

• Example response

  { 
     "job_id": "0000000011db92d36662db9d20df32ch" 
   }

  Or

  { 
       "error": { 
           "message": "XXXX",  
           "code": "XXX" 
       } 
   }

  In this example, error represents a general error, including badrequest (shown below) and itemNotFound.

  { 
       "badrequest": { 
           "message": "XXXX",  
           "code": "XXX" 
       } 
   }

Returned Values

• Normal

  Returned Value	Description
  200	The server has accepted the request.

• Abnormal

  Returned Value	Description
  400 Bad Request	The server failed to process the request.
  401 Unauthorized	You must enter a username and the password to access the requested page.
  403 Forbidden	You are forbidden to access the requested page.
  404 Not Found	The server could not find the requested page.
  405 Method Not Allowed	You are not allowed to use the method specified in the request.
  406 Not Acceptable	The response generated by the server could not be accepted by the client.
  407 Proxy Authentication Required	You must use the proxy server for authentication so that the request can be processed.
  408 Request Timeout	The request timed out.
  409 Conflict	The request could not be processed due to a conflict.
  500 Internal Server Error	Failed to complete the request because of a service error.
  501 Not Implemented	Failed to complete the request because the server does not support the requested function.
  502 Bad Gateway	Failed to complete the request because the server receives an invalid response from an upstream server.
  503 Service Unavailable	Failed to complete the request because the system is unavailable.
  504 Gateway Timeout	A gateway timeout error occurred.