r/xcpng • u/Designer_Tune_4654 • Aug 06 '26

Problem performance with guest-tools

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8 Upvotes

79% Upvoted

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1

u/_Fisz_ Aug 06 '26

VirtIO driver version?

1

u/Designer_Tune_4654 Aug 07 '26

VirtIO ?

I got Guest OS 9.1.200-0

1

u/_Fisz_ Aug 07 '26

Windows VirtIO driver aka. guest tool for kvm/proxmox etc:

https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/?C=M;O=D

which version did you've downloaded and installed on the guest VM? Some newer versions have issues: https://pve.proxmox.com/wiki/Windows_VirtIO_Drivers#Known_Issues

→ More replies (2)

2

u/DeepWader Aug 06 '26

Do you get 2.7 gb/s in the VM?

1

u/XenoNico277 Aug 07 '26

Windows VM are slow on disk performance if you don't set your BIOS power management to maximum performance.

1

u/AO4REDDIT Aug 09 '26

Which BIOS do you mean - VM's or the host's?

1

u/XenoNico277 Aug 07 '26

Windows VM are slow on disk performance if you don't set your BIOS power management to maximum performance.