Qemu/kvm provides you with a plethora of ways to configure your storage devices. Yet no other type of device shows such a variance in its performance, with disk I/O throughput anywhere from stellar to abysmal using the very same hardware.
In this post I like to show some configuration options that have worked well for me. For an in-depth presentation on the latest developments and features, with hands-on examples, see Storage Performance Tuning for FAST! Virtual Machines. Continue reading “Tuning VM Disk Performance”
Before you get your hopes high, this post is not (yet?) a tutorial on creating a Windows 10 virtual machine using the Virtual Machine Manager (virt-manager) GUI. It should have been, though. I spent the better part of a week trying to configure and install a Windows 10 VM that delivers the performance that I’m used to.
As it turns out, it was a failure. Don’t get me wrong, I did manage to configure and run Windows using virt-manager and virsh. I even installed it multiple times, changing the configuration to what I hoped would improve performance. But whatever I tried, I never got even near the speed and snappiness that I achieve by following my tutorial using a start script.
Continue reading “Creating a Windows 10 Virtual Machine Using the Virtual Machine Manager (virt-manager)”
I just upgraded my Linux Mint Mate 18.3 installation to Linux Mint Mate 19, using the mintupgrade utility. It required some manual fixes, but all in all it went smooth.
Below the first UserBenchmark using Linux Mint 19 with updated qemu/kvm packages:
UserBenchmarks: Game 60%, Desk 76%, Work 67%
CPU: Intel Core i7-3930K – 86.8%
GPU: Nvidia GTX 970 – 58.5%
SSD: Red Hat VirtIO 140GB – 72.1%
HDD: Red Hat VirtIO 2.5TB – 87.1%
HDD: Red Hat VirtIO 2TB – 51.7%
RAM: QEMU 1x16GB – 77.3%
MBD: QEMU Standard PC (Q35 + ICH9, 2009)
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This is yet another benchmark of my Windows 10 VM. This time I used the free Mersenne Prime Search software Prime95 (mprime under Linux) available at www.mersenne.org. I wanted to see if there is a significant difference between running the benchmark on the Linux host, versus the Windows virtual machine. Continue reading “Prime95 Benchmark: Linux Host versus Windows VM”
I’ve written several tutorials on “how to make dual-boot obsolete using VGA passthrough“, yet one may ask why run Windows on Linux? Most PC or laptop come pre-installed with Windows, in fact its rare to see computers pre-installed with Linux. So why not just leave Windows and install Linux in a virtual machine (VM), for example using Oracle VirtualBox?
Installing Linux in a VirtualBox VM is definitely a lot easier than following my tutorials on VGA passthrough. Not only that, most computer users who want or need to use both Windows and Linux will find that this simple solution is all they need.
Continue reading “Why run Windows on Linux?”