Storage (Azure)

Premium SSD v2 disks, announced in Oct. 2022, offer higher and more flexible performance and easier provisioning than Premium SSD disks but share many of the limitations of Ultra SSD disks.

Azure Elastic SAN, in preview, offers managed iSCSI-connected storage for Azure VMs with configurable performance and capacity.

Azure unmanaged disk storage will be discontinued on Sept. 30, 2025, and customers should plan to migrate their Azure VMs to managed disk storage.

Azure storage provides several options for redundancy and high availability of storage across data-center hardware, availability zones, and geographies.

Many Azure services leverage blob storage, some with more visibility than others.

Chart compares blob storage capabilities supported by different storage account types.

Azure Blob storage provides object-based storage for large amounts of unstructured data, with options to meet several scenarios and redundancy requirements.

Azure NoSQL offerings support several data types and address a functional gap in Microsoft’s own SQL Server product.

Chart summarizes the various types of Azure managed disks and their capabilities.

Azure Managed Disks provide attached storage for Azure VMs with several options to meet size, performance, and redundancy requirements.