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Restoring Archived Objects

Terakhir diperbarui:2022-10-19 14:15:30

    Overview

    This document provides an overview of APIs and SDK code samples for restoring an archived object.

    API Operation Description
    POST Object restore Restoring an archived object Restores an archived object for access.

    Restoring an Archived Object

    Feature description

    The POST Object restore API is used to restore an archived COS object. The restored readable object is a temporary copy, for which you can set the readable status and the time to delete it through the Days parameter. If the time has elapsed and you haven't initiated a copy or extension operation, the temporary object will be automatically deleted. Temporary objects are only copies of the archived objects which always exist.

    Sample code

    cos.restoreObject({
       Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
       Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
       Key: '1.jpg',  /* Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. */
       RestoreRequest: {
           Days: 1,
           CASJobParameters: {
               Tier: 'Expedited'
           }
       },
    }, function(err, data) {
       console.log(err || data);
    });
    

    Parameter description

    Parameter Description Type Required
    Bucket Bucket name in the format of BucketName-APPID. String Yes
    Region Bucket region. For the enumerated values, see Regions and Access Endpoints. String Yes
    Key Object key (object name), which is the unique identifier of an object in a bucket. For more information, see Object Overview. String Yes
    RestoreRequest Container for data restoration Object Yes
    - Days Expiration time of the temporary copy Number Yes
    - CASJobParameters Container for archive job parameters Object Yes
    - - Tier Restoration mode. The following three restoration modes are supported for the ARCHIVE storage class:
    • Standard: Restores an object within 3–5 hours.
    • Expedited: Restores an object within 15 minutes.
    • Bulk: Restores an object within 5–12 hours.
    The following two restoration modes are supported for the DEEP ARCHIVE storage class:
    • Standard: Restores an object within 12–24 hours.
    • Bulk: Restores an object within 24–48 hours.
    String Yes

    Callback function description

    function(err, data) { ... }
    
    Parameter Description Type
    err The object returned when an error (network error or service error) occurs. If the request is successful, this parameter is empty. For more information, see Error Codes. Object
    - statusCode Returned HTTP status code, such as 200, 403, and 404. Number
    - headers Returned headers Object
    data The object returned when the request is successful. If an error occurs with the request, this parameter is empty. Object
    - statusCode Returned HTTP status code, such as 200, 403, and 404. Number
    - headers Returned headers Object
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