All Products
Search
Document Center

Object Storage Service:Scheduled backup

Last Updated:Mar 20, 2026

Scheduled backup uses Cloud Backup to periodically back up objects in a bucket, so they can be restored at any time if accidentally deleted, overwritten, or modified.

Prerequisites

Before you begin, ensure that you have:

Billing

Cloud Backup charges for storage capacity and OSS requests. For details, see Billing.

Limitations

  • Only Standard and Infrequent Access buckets and objects are supported. Archive, Cold Archive, and Deep Cold Archive buckets and objects are not supported.

  • Object access control lists (ACLs) are not backed up or restored.

  • Scheduled backup is available in the following regions: China (Hangzhou), China (Shanghai), China (Qingdao), China (Shenzhen), China (Heyuan), China (Guangzhou), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Chengdu), Hong Kong (China), Germany (Frankfurt), UK (London), US (Virginia), Japan (Tokyo), South Korea (Seoul), Singapore, Indonesia (Jakarta), Malaysia (Kuala Lumpur), Philippines (Manila), Thailand (Bangkok), US (Silicon Valley), UAE (Dubai), and Saudi Arabia (Riyadh).

Choose a plan

Cloud Backup offers two plan types. Review the differences before creating a plan.

Free planPaid plan
Cost30-day free trial; no Cloud Backup fees during trialCharged for storage capacity and OSS requests
Backup scopeEntire bucket (cannot edit source path)Configurable by object prefix
Backup intervalFixed (cannot edit)Configurable
Backup vaultIndependent vault per plan; cannot change after converting to paidConsolidate all backups into a single vault
Best forEvaluating backup before committingProduction workloads requiring full control
Important

After converting a free plan to a paid plan, the backup vault cannot be changed. To consolidate all backups into a single vault, start with a paid plan.

Create a backup plan for an existing bucket

  1. Log on to the OSS console.

  2. In the left-side navigation pane, click Buckets. On the Buckets page, find and click the desired bucket.

  3. In the left-side navigation pane, choose Data Management > Scheduled Backup.

  4. On the Backup Plan tab, click Create Backup Plan.

  5. In the Create Backup Plan panel, configure the plan:

    • Free plan: Keep the default settings and click OK.

    • Paid plan: Click Switch To Paid Plan, click Confirm, configure the parameters below, and then click OK.

    ParameterDescription
    Backup Bucket PrefixThe prefix of the objects to back up. Leave blank to back up all objects in the bucket.
    Backup PolicySelect Create Policy to define the backup interval and retention period. For details, see Manage backup policies.
    Use OSS InventoryEnable to improve incremental backup performance for large datasets. For details, see Back up large amounts of OSS data using the inventory feature.

Cloud Backup runs backup jobs based on the schedule and interval defined in the plan.

Enable scheduled backup when creating a bucket

  1. Log on to the OSS console.

  2. Click Buckets, then click Create Bucket.

  3. In the Create Bucket panel, turn on Scheduled Backup. For other parameters, see Create a bucket.

  4. Click OK.

After the bucket is created, a backup plan is automatically created with the following defaults:

  • Backs up data once per day

  • Retains backups for one week

  • Includes a 30-day free trial

To view or modify the plan, choose Data Management > Scheduled Backup.

Next steps

To restore backed-up objects, create a restore job. For details, see Create an OSS restore job.