Here we can see, “Understanding Hyper-V Virtual Disks”
At least one virtual disc must be attached to each Hyper-V virtual machine. A virtual disc is nothing more than a disc file stored in the host operating system’s file system. Depending on which of two data formats you choose for the virtual disc, the file has one of two file extensions:
- .vhd: An outdated format with a virtual disc size limit of 2TB.
- .vhdx: A more recent format that can accommodate virtual discs of up to 64TB.
Hyper-V allows you to build two types of virtual discs for either of these virtual disc formats:
Fixed-size disc: When you create a virtual disc, the disc space is preallocated to the full size of the drive. If you use the.vhdx format to create a 100GB fixed-size disc, a 100GB.vhdx file will be allocated to the drive. Even if the drive only holds 10GB of data, it will take up 100GB of disc space on the host machine.
A dynamically expanding disc: It is a virtual disc with a maximum disc size but only uses the amount of disc space needed to hold the data on the disc. Suppose you construct a dynamically expanding disc with a potential capacity of 100GB but only put 10GB of data on it, the disks.vhdx file will only take up 10GB of the host system’s disc drive.
A differencing disc is the third type of disc used to track changes made to another virtual disc. However, this is a more sophisticated concept that I will not discuss in this chapter.
Is virtualization the same as Hyper-V?
Microsoft’s Hyper-V virtualization software was first introduced in 2016. It’s included with Windows and is commonly regarded as a viable alternative to VMware Fusion and Oracle VM VirtualBox. Hyper-V is a virtualization technology that may be used to virtualize hardware and operating systems.
What is the purpose of Hyper-V virtualization?
Microsoft’s hardware virtualization product is called Hyper-V. It allows you to create and run a virtual machine, a software version of a computer. Each virtual machine functions as a full computer, with its operating system and software.
In a Hyper-V environment, what is the virtual disc extension?
Virtual discs developed in the Hyper-V environment can be placed as VHD or VHDX files on a real drive. Virtual hard discs are a virtual machine’s hard discs and alternative to physical hard discs (VM).
How can Hyper-V help with off-the-shelf virtualization?
- Select Programs and Features from the Control Panel.
- Turn Windows features on or off by selecting Turn Windows features on or off.
- Clear the Hyper-V Hypervisor check box after expanding Hyper-V, Hyper-V Platform, and Hyper-V Hypervisor.
How many virtual machines can Hyper-V support?
There is a strict limit of 1,024 virtual machines running in Hyper-V.
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