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{Guide} Create a Gaming Virtual Machine - Page 81

post #801 of 813
I've been tinkering with unraid for a while now. Still having problems with VM. Should I try win10 in virtual machine instead of 8.1, could win10 just work better?
post #802 of 813
I dont think so, windows 10 used to work like crap for me under previous qemu versions, now its working fine but i recommend 8.1, what kind of problems are you having?
post #803 of 813
Quote:
Originally Posted by nbhusain View Post

I dont think so, windows 10 used to work like crap for me under previous qemu versions, now its working fine but i recommend 8.1, what kind of problems are you having?

Host (unraid) keeps crashing after launcing VMs. Usb devices dedication pisses off, but it is very hard to work around. There is kind of solution, however: pci usb-card which I will passtrough to vm. It enables hot plug usb for vm.

Crashing is different then, I have to keep investigating it and experimenting with different setups with VM settings.
post #804 of 813
Nice guide, however I'd consider using KVM over XEN for a home setup.
KVM is built into certain linux kernels (ie. Ubuntu), and due to native support, will be upgraded as you upgrade your linux distro (XEN may become incompatible upon updating kernel as there is no native support for XEN in any linux distro)

For this setup, KVM has enough features to be equal to XEN (I have the same setup as in this tutorial, using KVM - 3d Mark scores are only a few hundred points off the score the system got when not being run as a VM)

Also KVM has red hat backing it, and is becoming standardised across all linux distros, so it will easy to migrate your KVM VM from one linux distro to another.
Edited by spinFX - 4/1/16 at 12:39am
post #805 of 813
hi guys, I hope you can help me out:

I plan to use Linux as my main OS but I want windows a secondary OS to do gaming and some other fairly cpu intensive tasks (i.e. video editing).

Is it best to to run Xen as a type 1 hypervisor and then run BOTH windows and i.e. ubuntu both as VMs or should you just stick to Fedora as your main OS and then run windows from within?

I'm looking for whichever way gives me the most performance.
post #806 of 813
Quote:
Originally Posted by Candleflame View Post

hi guys, I hope you can help me out:

I plan to use Linux as my main OS but I want windows a secondary OS to do gaming and some other fairly cpu intensive tasks (i.e. video editing).

Is it best to to run Xen as a type 1 hypervisor and then run BOTH windows and i.e. ubuntu both as VMs or should you just stick to Fedora as your main OS and then run windows from within?

I'm looking for whichever way gives me the most performance.

I don't know if things changed but when i was doing this vga passthrough was next to impossible on xen, it was running just fine on fedora though, no need to switch your os thumb.gif
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post #807 of 813
Quote:
Originally Posted by zipeldiablo View Post

I don't know if things changed but when i was doing this vga passthrough was next to impossible on xen, it was running just fine on fedora though, no need to switch your os thumb.gif

Well my plan was to use Fedora + KVM to then launch windows. I read that apparently KVM behaves like a Type 1 hypervisor anyways (so you get the same performance gain) so there is no need to use a bloaty Type 1 ghost-OS which is only there to launch your actual linux OS.

The problem is that most people just use this for gaming under windows where cpu performance really doesnt matter that much so you see conflicting information on which solutions provides the most cpu power.
post #808 of 813
Quote:
Originally Posted by Candleflame View Post

Well my plan was to use Fedora + KVM to then launch windows. I read that apparently KVM behaves like a Type 1 hypervisor anyways (so you get the same performance gain) so there is no need to use a bloaty Type 1 ghost-OS which is only there to launch your actual linux OS.

The problem is that most people just use this for gaming under windows where cpu performance really doesnt matter that much so you see conflicting information on which solutions provides the most cpu power.

Indeed kvm act as an hypervisor, the difference with xen is that the "os" part of xen (xen runs over linux) is very small, but there is not much loss of performance.
Taking gaming as example i only had 3% difference, which were coming for the cpu use of my linux host.
Cpu does matter, well, it depends on your cpu for sure but some games are really heavy on the cpu.
Also there are lot of things you can configure to have more cpu performance on windows.
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post #809 of 813
Quote:
Originally Posted by zipeldiablo View Post

Indeed kvm act as an hypervisor, the difference with xen is that the "os" part of xen (xen runs over linux) is very small, but there is not much loss of performance.
Taking gaming as example i only had 3% difference, which were coming for the cpu use of my linux host.
Cpu does matter, well, it depends on your cpu for sure but some games are really heavy on the cpu.
Also there are lot of things you can configure to have more cpu performance on windows.

ok, but how does that compare to KVM? Bearing in mind that with KVM you only need to launch 1) Linux and 2) Windows and not 1) LinuxXen 2) Linux 3) Windows
post #810 of 813
Quote:
Originally Posted by Candleflame View Post

ok, but how does that compare to KVM? Bearing in mind that with KVM you only need to launch 1) Linux and 2) Windows and not 1) LinuxXen 2) Linux 3) Windows

My message wasn't clear.
Xen is already running on top of linux, the difference is you cannot access it.
I was talking about kvm performances wink.gif
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