kvm

  1. R

    Linux kernel 5.1?

    Hi, Coffee-Lake GPUs need at least Linux 5.1 for KVMGT support (e.g. Intel Corporation UHD Graphics 610). Are there any plans for Linux 5.1, yet? Thanx for any hint! :)
  2. A

    Migrate LXC to KVM

    Hello Everyone, is there a way to migrate a lxc container to a KVM? I would appreciate your help and tips :) Greetings, Alex
  3. C

    Transfer KVM from virtualizor to Proxmox.

    Hello! I'm taking my first steps with proxmox. Sorry about the translation too, I use an online translator. I want to transfer several KVM servers to proxmox, in the documentation it only says this: KVM to Proxmox VE (KVM) Just create a new VM on Proxmox VE and add the existing disk image to...
  4. S

    VMs not starting

    Hello, I get the following error if I try to start a VM on a specific host: Does anyone know what is going on?
  5. N

    Second (and not only) IP on Centos 7 VM (KVM) machine

    I attempt to assign secondary IP address on a CentOS 7 KVM VM. My node is on OVH. I already added an IP (virtual mac etc) on the CentOS 7 VM and it's working fine. I attempted to replicate the same procedure, assign an extra IP but I can't ping it from the outside. Is there a limitation? I mean...
  6. M

    How to migrate from a KVM virtual machine to a LXC container?

    Hello, I have a virtual machine which has a hard disk drive running on an LVM volume. I don't see how to migrate it to an LXC container without going through a traditional migration. I saw a tutorial -"How to convert a KVM image to a LXC container ? ", but it doesn't seem to be applicable to...
  7. F

    High CPU usage on kvm

    I have only two virtual machines, doing nothing, one windows 2016 and the other one Linux, a Mikrotik virtualized router. Each one shows more than 100% in Top, but virtually nothing inside. What am I doing wrong? The drivers are up to date. How do I fix this and why it is right from the start...
  8. C

    Null

    Hello
  9. V

    btrfs as a guest file system

    Dear all, I want to have urbackup VM and I want to use btrfs killer feature (cross link, offline dedup and so on) with urbackup. What do you think if I will have zfs (zvol) as my host fs and btrfs as a guest system? Best regards,
  10. M

    Windows virtual machine : non persistent drive possible ?

    Hi, I would like to know if Proxmox has a feature similar to a non-persistent drive in VMWare Workstation. I remember that a similar question has already been asked and answered negatively in the past. But things may have changed though searching both the internet and this forum hasn't given...
  11. S

    How to work with img?

    Hello. Interested in an image for kvm: http://cloud-images.ubuntu.com/minimal/releases/bionic/release-20190320/ How can I make it work?
  12. J

    KVM error when I create a new VM

    Hi, I have the same issue as here : https://forum.proxmox.com/threads/error-when-i-create-new-vm.38706/ But I checked multiples times on the BIOS and the V-T is enabled. What is the problem ? Thank you Jules
  13. Z

    KVM VM Internet Upload Speed Conciderably Slower

    Hello, I have a ubuntu 18.04 guest running in a KVM due to kernal modifcations for a WireGuard server to run on it. When preforming a speedtest with speedtest-cli, I get the following output: Testing download speed... Download: 73.61 Mbit/s Testing upload speed... Upload: 3.60 Mbit/s Which is...
  14. S

    [SOLVED] Migration from Unraid KVM: VM in Boot Loop

    Hi all, Planning to migrate from Unraid's KVM over to Proxmox (plus MergerFS & SnapRAID and Docker, etc). During VM testing, I've found that I cannot boot a VM that I migrated over. I've searched the forum and all I've found is one thread that said this should just work, but I can't for the...
  15. I

    "libceph: socket closed" on Proxmox heads connecting to ceph storage

    Hi All, We have a situation where we are currently experiencing a massive amount of "socket closed " messages for Ceph OSD's on our KVM Proxmox heads. Current KVM Proxmox infrastructure: DELL R710 Dual CPU's Dual 10Gbps bonded copper connection to the CEPH storage (Current ceph version =>...
  16. TwiX

    KVM CPU flags ('ibpb', 'ssbd', 'virt-ssbd', 'amd-ssbd', 'amd-no-ssb', 'pdpe1gb')

    Hi, On a small cluster, I have 2 different CPU model for nodes, one is Broadwell, the others are Haswell. I usually set the CPU VM as 'host'. Indeed, live migrations works as expected from Haswell to Haswell and Haswell to Broadwell. But it crashes from Broadwell to Haswell, some flags are not...
  17. I

    Shared Hardware Acceleration?

    Gibt es unter KVM eine Möglichkeit bspw. die interne (intel) GPU mit zu nutzen, ohne dass sie ge'passthrough't werden muss. In der VMware Welt ist passthrough so, dass die GPU nur der einen VM gehört, während im shared-mode mehrere VMs von Hardware Acceleration profitieren können. Wenn ich...
  18. T

    CPU Passthrough / Nested KVM?

    Is there a possibility to get the "original" CPU Settings inside a KVM VM ? Having inside: [root@VM ~]# cat /proc/cpuinfo | grep -E "^(flags|model nam)" model name : Common KVM processor flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx...
  19. S

    KVM freeze when host is under IO load

    Hi, all. Please help with the problem ... ProxMox 5.3, when the disk is under high IO (backup, recovery or just dd), KVM machines become completely frozen (network, cpu). I read the links below, but these recipes did not help. I tried to use 4.13 kernel, but with no luck... Is there any...
  20. L

    VM template central repo?

    Hello, I'd like to maintain a set of KVM templates internally to our company and register these templates (either raw or qcow2 files) on any new Proxmox hosts. My question is, how can I register these VM templates in newly deployed hosts so I can spawn VMs from them? I see there's an upload...

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