Azure Disk Storage

The disks that are used for virtual machines are stored in Azure Blob Storage as page blobs. Azure stores two disks for each virtual machine, the actual operating system (VHD) of the VM and a temporary disk that is used for short-term storage. This data is erased when the VM is turned of or rebooted.

There are two different performance tiers that Azure offers, Standard Disk Storage and Premium Disk Storage.

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