1. E

    Best approach to dual-boot Proxmox VE and Proxmox Backup

    I'm currently working on redoing my homelab and want to introduce Proxmox Backup. I have a Proxmox VE server hosting a couple of containers running 24/7. I have a second Proxmox VE, which I only boot every now and use as a testbed. Now I'm wondering if I could dual-boot the second testbed server...
  2. S

    No access to nested ESXi 7.0.3 host after upgrade to 8.1 - Connection between nested host works!

    Hello everyone, after updating to Proxmox VE version 8.1, I can no longer access my nested ESXi hosts. With Proxmox VE version 8.0 everything still worked perfectly. The strange thing is that I can communicate between the ESXi hosts: ssh from esxi1 to esxi2 works! The ESXi hosts have vSphere...
  3. J

    Centos 7 network settings on nested VM Proxmox

    First of all, I apologize for the bad English. Hi to all. I have a nested server with: Proxmox VE 8.0.3 The network settings in Proxmox look like this: However, when I make the Centos 7 network settings I found on the internet, I cannot get any results. What kind...
  4. B

    Nested ESXi - vm's don't start

    I'm trying to run ESXi 7.0.3 under proxmox v8.0.4 on an AMD Ryzen host ESXi installs OK but I can't get a VM to start. I think the PVE Host is configured ok as I am able to run a VM on a nested PVE instance. ESXi VM config balloon: 0 boot: order=sata0;ide2;net0 cores: 6 cpu: host ide2...
  5. enoch85

    Nested Hyper-V (Windows 10) with KVM?

    Hi, Been debugging why my Windows 10 machine (VM) is so darn slow. Found this, and it solved the issue. So far so good - until I tried to run a VM in Hyper-V on that same Windows 10 guest. Turns out you need to use host and not any of the other CPU types. It was absolutely flying on...
  6. enoch85

    Nested VMware Worksation suuper slow!

    Hi, I finally feel confident with my PVE setup. Backups are working fine with PBS over NFS, and all VMs are migrated from VMware ESXi since a few weeks back. In my previous setup with ESXi I ran a Windows 10 Pro VM with both Hyper-V and VMware Worksation nested. It worked great, and performance...
  7. D

    Nested virtualization very slow: Intel vs AMD thoughts

    Hi. For the purpose of creating a testing and development environment I need a virtual machine which hosts a Virtualbox installation. For this reason I enabled the nested virtualization following instructions at on two different physical hosts...
  8. L

    6 auf 7: VMs Lockup nach 5-10 Sekunden (alter Kernel klappt)

    Hallo zusammen! tl;dr Upgrade auf Proxmox 7 (Kernel >= 5.10) bringt alle VMs zum Hängen Einleitung Ich habe einen großen VPS bei einem deutschen Host (mit N beginnend). Das Host-System verwendet einen AMD EPYC 7702P und eine unbekannte KVM-Version. Mir wurde das SVM-Flag des Prozessors...
  9. W

    Proxmox Backup Server in Proxmox?

    Hello all, this may be a silly question or one that has been answered before but I can’t find a definitive answer so here goes: Can I install and fully use Proxmox Backup Server in a VM within Proxmox? Is this not recommended? Why? What will I lose? Are the Backup Server features all included...
  10. W

    Testing Nested Proxmox on Encrypted Debian Install (Proxmox 6.4 + Debian 10.9)

    I created a VM and installed Debian with LVM LUKS partition and booted into it with no problems. I then installed Proxmox over this as per wiki and booted into it with no problems BUT I cannot connect to the web interface. Proxmox is working and I can access the console. What am I doing wrong?
  11. R

    LDAP Sync with nested Groups

    Hello everyone, I am currently trying to implement LDAP Sync for our Proxmox cluster. Basically it's working fine, the only thing I don't get to sync are the user to group associations when a user is in a nested group. This is the relevant content of my domains.cfg: ad: example.local...
  12. M

    Nested virtualization inside PVE

    Hello Proxmox family, I have problem with nested virtualization and I’d like to kindly ask you if maybe someone of you already solved it. Dell Precision M4800 (Intel) Pve-manager/6.1-8/806edfe1 (running kernel: 5.3.18-3-pve) The problem which I'm trying to fix for weeks: Installing Windows...
  13. S

    dev loop0

    Hi guys. My big is itching :) My big is a server with about 10 KVM clients that each host about 10 LXC containers (nested virtualization is the way to go these days.) Lately I have seen several "dev loop0" problems usually with I/O errors indicating a malfunctioning disk causing problems with...
  14. 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...
  15. N

    [SOLVED] KVM VMX Setting for Nested XenServer

    I am trying to find a way to set the VMX setting in KVM but the qm.conf format doesn't seem to allow me to pass these specific settings to libvirt/KVM. Here is the text I am following from a site explaining how to nest a hypervisor and still allow HVM VMs to run inside. I have nested KVM...


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