https://gallery.windowsazure.cn/artifact/20161101/Microsoft.Disk.1.0.2/Icons/Large.png

Disk (classic)

Microsoft
Create disks for persistent storage to use with classic virtual machines.

Disk (classic)

Microsoft

Create disks for persistent storage to use with classic virtual machines.

Every Azure virtual machine is attached to at least one disk for the operating system and persistent storage. A disk can be a standard (HDD) or premium (SSD) drive. Disks created using this method can only be used with classic virtual machines.