VHDX Files
For all virtual machines created on Hyper-V for any Production VM, it is mandatory for all VM Disks to use fixed disks
as Dynamic disks are inherently mis-aligned when using Hyper-V. Once of the
issues with Dynamic VHDX files is that Windows must grow these files upon write
which will result in degraded write performance.
By default Hyper-V manager creates VMs with Dynamic Disks.
First we will run thought the initial step of creating a fixed disk.
Run the following command
NEW-VHD -Fixed D:\VMNAME\VMNAME_1.vhdx -SizeBytes 100GB
Replacing Volume#
with 1 or 2 and replacing VMNAME with
specified host name with an ‘_1’ since this is the primary partition.
For example a Server called EGRB-VMDC-P03 would require the
following command ran.
NEW-VHD -Fixed D:\FOLDERNAME\SERVERNAME_1.vhdx -SizeBytes 100GB
The above command will create a 100GB Fixed disk which will
be added as a boot partition in the later stage of the VM build.
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