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Cloud Computing · Intermediate

Azure Managed Disks

Block-level storage volumes for Azure VMs managed by Azure, offered as Ultra, Premium SSD v2, Premium SSD, Standard SSD and Standard HDD.

Definition

Managed disks handle storage account placement and provide high durability, snapshots, incremental backups and zone-redundant options for some types. They are encrypted at rest by default with platform-managed keys, optionally with customer-managed keys or encryption at host.

Example

A SQL Server VM uses Premium SSD v2 disks with IOPS and throughput tuned independently of size.

Exam tip

Ultra and Premium SSD v2 allow adjusting performance independently; Standard HDD suits dev/test and infrequent access.

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