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:Migrate Google Cloud Storage data to OSS

Last Updated:Oct 10, 2026

Use Data Online Migration to migrate data from Google Cloud Storage to Alibaba Cloud Object Storage Service (OSS).

To migrate data from Google Cloud Storage to Alibaba Cloud OSS over an Express Connect circuit, see Agent-based migration overview.

Overview

Data Online Migration provides a data transfer channel between storage products. By using Data Online Migration, you can easily migrate third-party data to OSS, or perform flexible data migration between OSS buckets.

To migrate data by using Data Online Migration, you only need to enter the source data address and the destination OSS address in the console and create a migration task. After the migration starts, you can manage the task in the console and view details such as the migration progress and traffic.

How it works

Migration process

The migration process is shown in the following figure:

Migration process

  • Use HTTPS to ensure data security and consistency.

  • After a migration task completes, verify data consistency between the source and destination.

Warning

You must verify the destination data after the migration task completes. You are solely responsible for any data loss or other consequences that result from deleting source data before confirming the destination data's integrity.

Workflow for creating a migration task

The following figure shows the workflow for creating a migration task:Workflow for creating a migration task

Important

During migration, data is read from the source data address. The source storage provider charges outbound Internet traffic fees for this transfer.

In this tutorial

This tutorial covers: