Why is the D drive data not in Windows Azure virtual machine?

After we create a virtual machine, we find that the virtual machine has two disks, a C drive (OS disk) and an empty D drive. It is important to note that the two disks are different. The C-drive is stored on a blob and is reliably stored. The D-disk is unreliable. If a physical machine fails, Azure does a virtual machine failover and starts the virtual machine on another physical machine, at which time the C drive data remains intact, but the D drive data is emptied. Therefore, the D disk should be considered as a cache space for the user to store some logs and temporary files instead of storing the business data. If you want to store business data, you need to create a BLOB-backed disk by tapping "Attach" at the bottom of the virtual machine page

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In this way, a blob file is created on the store and mounted to the target virtual machine. The user needs to enter the virtual machine, initialize the disk with the Disk Management tool, create a new volume

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We can also create a data disk by uploading a VHD file

This article is from the "Go to the Sky" blog, please be sure to keep this source http://songlihuan.blog.51cto.com/8735257/1412724