Design and implement high availability and disaster recovery (HADR) — Microsoft Certified: Azure for SAP Workloads Specialty

Official references for this objective

• Microsoft — Active Geo-Replication - Azure SQL Database | Microsoft Learn

  Forced failover immediately switches the geo-secondary to the primary role without waiting for synchronization with the primary. Any transactions committed on the primary but not

• Microsoft — Backup and disaster recovery for managed disks on Azure VMs - Azure Virtual Machines | Microsoft Learn

  Azure Disk Backup is a crash-consistent backup solution that takes point-in-time backup of a managed disk using incremental snapshots and supports multiple backups per day.

• Microsoft — Configure a failover group - Azure SQL Managed Instance | Microsoft Learn

  No public internet, gateways, or additional encryption is required in the communication between the peered virtual networks.

• Microsoft — Tutorial - Set up disaster recovery for Windows VMs with Azure Site Recovery - Azure Virtual Machines | Microsoft Learn

  leave the default Latest processed (low RPO) setting for the recovery point. This option provides the lowest recovery point objective (RPO)

• Microsoft — Best practices for high availability with Azure VMs and managed disks - Azure Virtual Machines | Microsoft Learn

  You should use ZRS when sharing a disk between multiple VMs. If you use LRS, the shared disk becomes a single point of failure for

• Microsoft — Configure an availability group listener for SQL Server on Linux virtual machines in Azure - SQL Server on Azure VMs | Microsoft Learn

  The probe defines how Azure verifies which of the SQL Server instances currently owns the AG listener. Azure probes the service based on the IP

• Microsoft — Create an Azure scale set that uses availability zones - Azure Virtual Machine Scale Sets | Microsoft Learn

  When you expand the scale set to additional zones, the original instances are not migrated or changed.

• Microsoft — Failover Groups Overview & Best Practices - Azure SQL Managed Instance | Microsoft Learn

  Global virtual network peering (VNet peering) is the recommended way to establish connectivity between two instances in a failover group.