qemu

According to this article: https://www.linux-kvm.org/images/c/c5/Kvm-forum-2013-High-Performance-IO-for-VMs.pdf Using netmap with VALE switch ( http://info.iet.unipi.it/~luigi/vale/ ) will get a much higher throughput even 5x than virtio (from presentation, for 64 byte packets up to 2.5Mpps in...

Good day! Today i try to migrate hyperv VM with Windows 10. I have copied VM in vhdx format on Proxmox server, then i used: qemu-img convert -O qcow2 Windows10.vhdx /var/lib/vz/images/Windows10.qcow2 I have *.qcow2 image at output. Then i've tryied to connect disk to new installed VM, but i...

Hi, For quite some time, I have been experimenting with using the QEMU Agent from the commandline. I have enabled the agent from the web gui and installed the qemu-agent package in my guest. I am getting the results but I am not able to the same in a scripted manner. Here is what I am doing...

how do i set the boot order of a VM via the api?, i cant seem to find it in the config or any other documentation.

Hello there, I saw in the device manager this unknown device "ACPI\QEMU0002" and already googled about it and tried all virtio drivers. But none is correct. I also installed qemu guest-agent, but it didn't solve the issue. I've got this problem on Windows Server 2012R2 Essentials and Standard...

Hi guys, Need some bright minds in the Proxmox community :) I setup a storage cluster using Ceph (as the title suggests). It's a fairly large cluster consisting of over 200 osds. When I bench the cluster using rados bench, I get exactly the kind of performance I was expecting to get... doing...

I thought qemu-2.7 had solved all issues regarding iothread but apparently you are still not able to make a backup if iothread is enabled. Am I missing something?

Hi, there! Today had a strange situation with image restore: 1. Source server was Proxmox 3.1 (pretty old, i know), everyday backup snapshot is made on NFS. 2. Today had a plan to migrate one qemu VM to new 4.2 proxmox cluster. 3. Stopped VM (Ubuntu web server), tried to make a fresh backup...

Hello, qemu version 2.5 introduced the setting of qcow2 drive-options for increasing L2 cache table size. Info: https://github.com/qemu/qemu/blob/master/docs/qcow2-cache.txt https://blogs.igalia.com/berto/2015/12/17/improving-disk-io-performance-in-qemu-2-5-with-the-qcow2-l2-cache/ Is there a...

hello evreyone, i am using proxmox 4.1 and spice to connect windows 7 machine, and i need to increase the video memory from 16 mb to at least 64 mb(due low video performance)where can i edit that setting? Thanks.

Hello all I migrate an image of Windows Server 2008 from Vmware converter (Vmdk) but when I am starting the machine in proxmox a blue screen appears and the machine server reboot endlessly , then I convert the Vmdk to Qcow2 and i replace the old image by the newest, but the blue screen still...

Dear Users, I would like to ask everything if there is any possibility with Proxmox/KVM known to change the values of the motherboard information in smbios. I know that is already possible to modify the system information, but I'am also looking for an option to change the motherboard values...

Hi All, I would like to share my successful attempt of Intel IGD passthru(primary) with QEMU/KVM. Ones interested can head over to my demo : Cheers, Raghavan