Protecting AlwaysOn Availability Groups: Concepts and Considerations

Before implementing DPX Block Data Protection for SQL Server AlwayOn Availability Groups, read this topic, which describes concepts and considerations related to backup, recovery, and storage sizing.

DPX supports Microsoft SQL Server 2012 backups, including SQL Server 2012 AlwaysOn Availability Groups for primary replica backup and recovery. In addition, DPX supports SQL Server 2012 standalone SQL instances and traditional Windows clustered SQL instances.

This topic reviews supported capabilities and known limitations for SQL Server Availability Group backup and recovery. Note that SQL Server 2012 AlwayOn is supported for Block backup, not file-level backup. Concepts and considerations are described in the following sections:

• Overview

• Display of WSFC Resources

• Backup Considerations

• Recovery Considerations

• BMR Recovery Considerations

• WSFC Limitations