This topic describes how to migrate data from Network Attached Storage (NAS) to Object Storage Service (OSS).

Alibaba Cloud Data Online Migration is a data channel between different storage services. You can use Data Online Migration to migrate data from third-party data stores to OSS or between OSS buckets.

When you use Data Online Migration, you need only to log on to the console, specify a source data address and a destination OSS data address, and then create a migration job. After the migration job starts, you can manage the job in the console. For example, you can view the progress and traffic information of the job. You can also generate a migration report to check the list of migrated files and the list of files that fail to be migrated.

This guide includes the following topics: