This tutorial describes how to migrate data from HUAWEI CLOUD Object Storage Service (OBS) or a Parallel File System to Alibaba Cloud Object Storage Service (OSS).
To migrate data from OBS or a Parallel File System to OSS over an Express Connect circuit, see Use an agent for migration.
Overview
The Alibaba Cloud Online Migration Service is a data transport service that helps you migrate data to OSS from third-party sources or between OSS buckets.
To use the Online Migration Service, enter the source and destination addresses in the console to create a migration task. Once the task starts, you can manage it, monitor its progress, and view traffic information from the console.
How it works
Migration process
The migration process is shown in the following figure:
Use HTTPS to ensure data security and consistency.
After a migration task completes, verify data consistency between the source and destination.
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 workflow for creating a migration task is shown in the following figure:
During an online migration, reading data from the source incurs outbound Internet traffic fees. The source's storage service provider charges these fees.
In this tutorial
This tutorial includes the following sections: