What is Azure Managed Disks?
Azure Managed disks are block-level storage disk volumes managed by Azure and are often used when you create Azure VMs. Managed disks are similar to physical disks in on-premise environments, provided with additional features such as encryption, high availability, security, and covered with disaster recovery plans. Currently Azure offers various disk types for Azure Managed disks that include premium & standard SSDs and standard HDDs.
Benefits of managed disks in Azure
Managed disks are having high availability and durability. Azure managed disks are designed with the availability of 99.999% in all its available regions. Azure maintains three replicas of each managed disk you created in three different regions achieving the highest durability. If any one or two of these disks experience any issues, a third copy of the disk will ensure data availability and high tolerance against any failures.