Updated on 2023-11-21 GMT+08:00

Querying Details About a Replication Pair

Function

This API is used to query the details about a replication pair.

Constraints and Limitations

None

URI

  • URI format

    GET /v1/{project_id}/replications/{replication_id}

  • Parameter description

    Parameter

    Mandatory

    Description

    project_id

    Yes

    Specifies the project ID.

    For details about how to obtain the project ID, see Obtaining a Project ID.

    replication_id

    Yes

    Specifies the ID of a replication pair.

    You can obtain this value by calling the API described in Querying Replication Pairs.

Request

  • Request parameters

    None

  • Example request

    GET https://{Endpoint}/v1/{project_id}/replications/b93bc1c4-67ee-45a1-bc8a-d022fdd28811

Response

  • Parameter description

    Parameter

    Type

    Description

    replication

    Object

    Specifies the information about a replication pair.

    For details, see Table 1.

    Table 1 replication field description

    Parameter

    Type

    Description

    id

    String

    Specifies the ID of a replication pair.

    name

    String

    Specifies the name of a replication pair.

    description

    String

    Specifies the description of a replication pair.

    replication_model

    String

    Specifies the replication mode of a replication pair. The default value is hypermetro, indicating synchronous replication.

    status

    String

    Specifies the status of a replication pair. For details, see Replication Pair Status.

    progress

    Integer

    Specifies the synchronization progress of a replication pair.

    Unit: %

    replication_status

    String

    Specifies the data synchronization status.

    • active: Data has been synchronized.
    • inactive: Data is not synchronized.
    • copying: Data is being synchronized.
    • active-stopped: Data synchronization is stopped.

    attachment

    Array of objects

    Specifies the device name.

    For details, see Table 2.

    server_group_id

    String

    Specifies the ID of a protection group.

    volume_ids

    String

    Specifies the ID of the disk used to create a replication pair.

    priority_station

    String

    Specifies the current production site AZ of the protection group containing the replication pair.

    • source: indicates that the current production site AZ is the source_availability_zone value.
    • target: indicates that the current production site AZ is the target_availability_zone value.

    fault_level

    String

    Specifies the fault level of a replication pair.

    • 0: No fault occurs.
    • 2: The disk of the current production site does not have read/write permissions. In this case, you are advised to perform a failover.
    • 5: The replication link is disconnected. In this case, a failover is not allowed. Contact customer service.

    created_at

    String

    Specifies the time when a replication pair was created.

    The default format is as follows: ""yyyy-MM-ddTHH:mm:ss.SSSSSS", for example, 2019-04-01T12:00:00.000000.

    updated_at

    String

    Specifies the time when a replication pair was updated.

    The default format is as follows: ""yyyy-MM-ddTHH:mm:ss.SSSSSS", for example, 2019-04-01T12:00:00.000000.

    record_metadata

    Object

    Specifies the SDR data of a replication pair.

    For details, see Table 3.

    failure_detail

    String

    Specifies the error code returned only when status of a replication pair is error.

    For details, see the returned value in Error Codes.

    Table 2 attachment field description

    Parameter

    Type

    Description

    device

    String

    Specifies the device name.

    protected_instance

    String

    Specifies the ID of the protected instance to which the replication pair is attached.

    Table 3 record_metadata field description

    Parameter

    Type

    Description

    multiattach

    Boolean

    Specifies whether the disk in a replication pair is a shared disk.

    bootable

    Boolean

    Specifies whether the disk in a replication pair is a system disk.

    volume_size

    Integer

    Specifies the size of the disk in a replication pair. Unit: GB

    volume_type

    String

    Specifies the type of the disk in a replication pair.

    The value can be SSD, GPSSD, or SAS.
    • SSD: the ultra-high I/O type
    • GPSSD: the general purpose SSD type
    • SAS: the high I/O type
  • Example response
    {
        "replication": 
            {
                "id": "b93bc1c4-67ee-45a1-bc8a-d022fdd28811",
                "name": "test_sdrs_replication",
                "description": "test_description",
                "replication_model": "hypermetro",
                "status": "available",
                "progress": 0,
                "replication_status": "active",
                "attachment": [               
                    {     
                        "device": "/dev/vda",                   
                        "protected_instance": "8a7a6339-679b-452b-948c-144e0ef85d9c"               
                    }           
                ],
                "server_group_id": "c2aee29a-2959-4d01-9755-01cc76a4d17d",
                "volume_ids": "48dda0c0-c800-46f2-9728-a519ff783d35,388b324a-a9d1-44a4-a00d-42085f22a9bc",
                "priority_station": "source",
                "fault_level": "0",
                "created_at": "2018-05-04T03:43:24.108526",
                "updated_at": "2018-05-04T03:44:28.322873",
                "record_metadata": {
                    "multiattach": false,
                    "bootable": false,
                    "volume_size": 10,
                    "volume_type": "SATA"
                }
            }
    }

    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.