Migrating to Azure SQL Database with zero downtime for read-only workloads

Microsoft uses an internally written service called MSAsset to manage all Microsoft data center hardware around the world. MSAsset is used for tracking Microsoft’s servers, switches, storage devices, and cables across the company and requires 24/7 availability to accommodate break-fix requirements.

 

Before migrating to Azure SQL Database last year, MSAsset’s data tier consisted of a 107 GB database with 245 tables on SQL Server. The database was part of a SQL Server Always On Availability Group topology used for high availability and the scaling out of read-activity.

 

 

Read about it in the Azure blog.