virtio

  1. D

    Netzwerk Probleme

    Hallo Community Ich habe ein kleines Problem mit meinem Proxmox Server. Auf dem Server selbst erhalte ich bei einem Netzwerk-Speed Test folgende Werte: Auf der VM erhalte ich aber folgende Werte: Server Konfiguration: VM Konfiguration: Auf der VM läuft Windows Server 2016. Ich habe die...
  2. F

    Windows 10, anybody has done it?

    I need to virtualize several dozen Windows 10 Pro boxes, does anybody know if the Virtio drivers do work and also how does the memory sharing works? I need to show 16G RAM per box, but naturally, I want to use only what is needed so I may overcommit.
  3. S

    Virtio network driver checksum offload udhcpc

    Hi, I'm hoping for some wisdom from people smarter than I am. I have a proxmox host which is also running DNSmasq for both the local network and Proxmox guests. I've been using the proxmox guests to trail PXE boot using tftp/http and NFS. All has been going well until I tried SystemrescueCD...
  4. G

    looking for expert, speed up disk performance

    We run proxmox on Supermicro systems, using local storage, Intel SSD-disks in software RAID-10 + spare. I am aware of the fact that software-raid is not adviced, but we just love software raid :) We have done several tests and we have some problems with the so called "time to first byte" on...
  5. F

    Unable to install Windows 10 guest ??

    Hello, I have been evaluating Proxmox in a small lab for nearly one year now. I decided to give it a try in production, for the upcoming W7 to W10 park migration. I never had any problem with W7 guests. Install works fine, and VM runs smooth. But despite a lot of time spent on this, I cannot...
  6. R

    Proxmox Windows Server 2016 VM

    Hallo, ich möchte gerne eine VM mit Windows server 2016 installieren. Mein Server hat zwei SSDs im Raid. Für die Festplatte nutze ich qcow2 aber was ist das beste IDE, SATA or Virtio? Sollte man discard aktivieren oder aus lassen? Ich habe kein LVM Speicher. Danke für jede Antwort, da ich...
  7. T

    4x1Gb LACP slow VM bandwidth

    Hey everyone, I'm currently building a "proof-of-concept" for work using Proxmox. I have a 4x1Gb LACP config (see below), but I get slow performance from my VMs. I'm using a 400MBps NAS storage that works perfectly when a 10Gb non-vm client is tested. On Proxmox I have 3, Win 2012 r2 VM's with...
  8. G

    virtio disk driver windows2016 rate limited ?

    Hi Folks, Just migrated ceph totally to bluestore a test with windows2016 Server has good results, but i think limiting component is virtio driver! see also https://forum.proxmox.com/threads/virtio-ethernet-driver-speed-10gbite.35881/ concering Ethernet speed ... I see no "tunables" to...
  9. A

    > 3000 mSec Ping and packet drops with VirtIO under load

    I'm running PVE 5.0-30 with two KVM machines with Windows 2016 Servers installed. I did everything like computerized William explained in this video https://www.proxmox.com/de/training/video-tutorials/item/install-windows-2016-server-on-proxmox-ve. So I use ZFS and VirtIO for storage (SCSI) and...
  10. C

    bad network performance with virtio driver Windows 2016

    I'm playing around with proxmox in my lab. I migrated a Windows server 2016 from vmware to proxmox. During migration I removed all VMWare drivers and installed all virtual drivers from fedorapeople.org. Everything worked but then I noticed a strange behavior with the virtio network driver (tried...
  11. A

    VMs configuration and discard option in LVM-thin storage

    Hi Guys, on my Proxmox 5 I have to create several Windows 7/10 Virtual Machines. My server has an hardware RAID Controller Card (1 GB RAM with battery) and 4 SATA Disks attached to it. I would create the VMs with the following parameters: -Hard Disk Bus/Device: SCSI -target storage: LVM-thin...
  12. H

    Network Card : VirtIO Bug?

    Hello there, I have a small problem with DHCP Server + Client in Virtual Machines using VirtIO network device. dhcpd: 5 bad udp checksum in 5 packets I alread read some other forums and mailing list for this problem and it looks like the VirtIO Network Device is not generating correct...
  13. S

    Connection errors/timeouts between 2 2012R2 guests on same bridge

    Hi All I have 2 Windows server 2012 R2 on the same host connected on an internal bridge network. They access internet connectivity via an Untangle Firewall with an interface bridged on an external adapter and another on the internal bridge. The Internal Bridge has no physical adaptor assigned...
  14. K

    How to clone a VM (virtio drive) from CLI

    Hello, I am happily using LVM over iSCSI (file extents), however I have the need of creating a full clone of the drive (virtio0) over a NFS share. I can do this from the GUI with "move disk" and selecting the NFS share, w/out checking "delete source". This does create a .raw file which is a...
  15. H

    Insane write speeds on Ceph/krbd windows client with virtio.

    I've been running some benchmarks on Windows whose virtio disks are on Ceph. All is well. At one point I enabled the "krbd" option because I wanted to use the rbd pool for containers as well. Out of curiosity I reran the benchmarks on windows and to my surprise the write speeds are simply out of...
  16. S

    Debian guest, virtio "9p: no channels available"

    Hello, my goal is to share a folder of a filesystem from the Proxmox-host with an Debian-based 'OVM' VM. I used this this qemu manual and did the folowing: in /etc/pve/qemu-server/102.conf [...] <filesystem type='mount' accessmode='passthrough'> <source dir='/mnt/data/media/foo/'/>...
  17. T

    Newb Needs (Paid) Help

    I have a proxmox 3.4 server that was setup for me with a window VM and a Container with VirtualMin on it. Now, I have a new server and I want to do the same but it's all over my head. Looking to pay someone for the help. Here is an example of what I need:
  18. C

    Disk performance crippled using virtio disk

    I set up a VM for 2k12r2. The disk is a sparse raw file, converted from a .vhdx snapshot taken with disk2vhd. The configuration of the system, with the disk connected to ide0 was as follows: agent: 1 balloon: 2048 boot: cd bootdisk: ide0 cores: 2 hotplug: usb ide0...
  19. J

    Windows 7 64 bits signed VirtIO drivers

    Hello again! as im going to build a proxmox ve 4.2 for a productive enviroment in a couple of days and started doing tests in order to smooth the transition from virtualbox in a old cpu, the first thing i need running in the new computer is a windows 64bits VM for a little MS SQL server...
  20. N

    Kann kein Windows Server 2008 R2 installieren.

    Hallo liebe Community, Ich habe die letzten Tage immer wieder versucht, WS2008R2 zu installieren. Ich habe zwei Versionen von dem Installationsdatenträger. Bei der ersten bleibt er bei "Starting Windows" hängen. Bei der anderen kann ich den Treiber von der "Virtio-win-0.1.102.iso" hinzufügen im...

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