How to install Hyper-V guest services

Hyper-V tools is nicely packaged, so the install is simple, as follows:

apk add hvtools

Then enable the services

rc-service hv_fcopy_daemon start

rc-service hv_kvp_daemon start

rc-service hv_vss_daemon start

Then to ensure these services start on boot

rc-update add hv_fcopy_daemon

rc-update add hv_kvp_daemon

rc-update add hv_vss_daemon

Hyper-V Settings

When creating the VHDX, use 1MB BlockSizeBytes (from the default 32MB) See Microsoft's official docs on running Hyper-V with Linux Guest VMs . this will reduce host filesystem usage by 75-90%

New-VHD -Path C:\MyVHDs\test.vhdx -SizeBytes 127GB -Dynamic -BlockSizeBytes 1MB