qcow2

  1. shrink qcow2 vm

    Hi, i want to shrink a vm. it is a linux vm. In the vm the system tells me a used space of 2.3gb data. The disk in Proxmox is 8tb. The file system shows me a size of 12tb. I use fstrim -av inside the vm. it shows me it shrinked 5.5gb. But the file on filesystem is still 12TB. After a reboot of...
  2. Exporting VM from Proxmox

    Hi Im hoping someone can help. I am looking for a way that I can export a VM from my Proxmox server to my PC so I can create a forensic image using FTK Imager. This is for a university project involving Digital Forensics. Any help would be appreciated. Thank You
  3. [SOLVED] CentOS 7 Migration: From XenServer to Proxmox VE

    Hello everyone! I'm trying to migrate a VM from XeServer(6.5) to Proxmox(6.3-4) Until few days ago, I can do it following next steps: 1. Export VMs from XenServer like OVF ( .ovf + .vhd file) 2. Convert VM disk (.vhd file) to qcow2 format (with StarWind 2V2 Converter) 3. Create a VM with...
  4. How to add qcow2 disk in proxmox

    Hello, I am a new to proxmox. I am migrating my work load from OpenStack to proxmox. And with that regard, I need to move disks which are in qcow2 format. I am using proxmox 6.3-2 version Any ideas how can I do this? Thanks. Regards, Amey.
  5. Creating qcow2 format with basic installation

    Hello! I've followed the tutorial on the forum to install proxmox. Everything works just fine, except one thing. I'd like to make snapshots, but if i choose the LVM what i've created (Point 7 in the installation steps), i can't change the image format, there is only RAW image format, and i...
  6. Converting RAW to qcow2 - For Snapshots

    My current installation of Proxmox 6.3-2 is configured for my vms to run on a local SSD. I have the SSD setup as an LVM. I wanted to test the snapshot feature, but I receive an error, "The current guest configuration does not support taking new snapshots" I found I can use the "Move Disk"...
  7. Can't Start VM : Image is not in qcow2 format

    When I made a system image and purchased the automatic activation product from whmcs, the automatically created parameters were correct, but the VM could not be started, and the disk was also qcow2 Use of uninitialized value in split at /usr/share/perl5/PVE/QemuServer/Cloudinit.pm line 99...
  8. QCOW2 to Proxmox

    I am a total noob and currently we have a Scale Environment. Long story short I would like to use ProxMox instead of spending thousands of dollars. When I export the VM image from scale the extension is QCOW2. My question here is how do import this image into ProxMox and be up and running. What...
  9. Creating Ubuntu 20.04 Minimal VM

    Hi, I am new to Proxmox and need to create a VM from a very lightweight debian distro to run a Wireguard server only and found Ubuntu 20.04 Minimal to be sufficiently lightweight while being familiar for me since I have been using Ubuntu for a while. However, when I uploaded the Ubuntu 20.04...
  10. storage migration failed: error during cfs-locked 'storage-XXX' operation:

    Hallo :) Ich habe bei mir ein kleinen Cluster aus drei Nodes und einen Server 2016 als Storage Server. Dieser Server besitzt mehrere NFS Freigaben für den Cluster wo eine Freigabe für VMs dient. Dieser ist eine einzelne SSD die nur dafür genutzt wird. Wenn ich jetzt versuche eine VM darauf zu...
  11. lvm in new setup

    i need to setup new machine with 6.2 i have old 4.4 with machine without lvm-thin storage and vm in qcow2 file and no lxc. now i interesting to use lxc together kvm. if i set no lvm-thin storage, with new version is possible to backup lxc machine in non lvm-thin storage situation or not? because...
  12. Windows and FreeBSD guests: qcow2 vs raw?

    Recently my colleagues asked me to set up several Windows Server (they need both 2008R2 and 2019) and FreeBSD (10 and 12.1) on our Proxmox hosts. The host server is brand new server free of anything so we go with 6.2 install, and it has h/w raid with LVM and ext4 on it (yes, old-schooler, I...
  13. Create qcow2 images from the CLI without owner VM, possible?

    Greetings, my goal is to: create a qcow2 or raw image from the command line (I would prefer qcow2 anyway) without linking it to a new or existing VM; create a partition table and a file system in it; mount it, to access data (copy, sync, from a remote source) unmount the image when finished I...
  14. How can I convert qcow2 to a template.

    I've downloaded the centos cloud image(Already included cloud-init tool) from the official site. I want to convert qcow2 to a template, what should I do, either I don't know how to import qcow2 to create a VM.
  15. [SOLVED] Migrate instance from openstack to proxmox with ceph storage backend

    Hi all, We are using openstack for most of our production instances with ceph storage backend. Recently we added additional hardware and setup Proxmox v6 and attached it to the same ceph storage cluster With the ceph storage integration we tested couple of instance and it works perfectly fine...
  16. Restore backup 50Tb

    Hello gentlemen, we have such a problem. Proxmox VE 5-4-5 It turned out that when the size of the hard disk was changed by one of the VMs, they made a mistake or a glitch happened and it turned out they made 50TB for the 50GB place. Proxmox successfully made a backup of this virtual machine, but...
  17. Recommendations for Proxmox local Filesystems (2 standalone nodes maybe moving to cluster later)?

    Hi All, Proxmox seems to offer a multitude of options for filesystems on the local disk(s). I started off by installing the default options on my 1 Node standalone server and noticed it configured the local 500GB SSD as follows: local - Directory - 94GB: /dev/mapper/pve-root (according to "df...
  18. Blue screen after .ova import

    Hi all, So, I exported a Windows 10 VM to an .ova file from VirtualBox and extracted it on Proxmox VE. Then I made a VM with the same specs as the previous VM. I converted from .vmdk to .qcow2 and replaced the disk in the VM with the one from the .ova. But everytime I try to start a Windows 10...
  19. Basic IO benchmarks between zfs/lvm-thin/qcow2

    Just ran these the other week, thought I'd share. I'll try to do some more proper ones on Linux, but before that happens here's some CrystalDiskMark ones on Windows 2019 (virtio-scsi). The underlying storage is a single Samsung 850 PRO SSD. I was pleasantly surprised by the QCOW2 performance...
  20. [SOLVED] Migrated KVM Virtual Disk fails to boot with UEFI

    Hello! I have migrated / copied over a virtual disk (qcow2) created with Virsh. This disk has 2 partitions and uses UEFI. When I start a VM in Proxmox using this virtual disk, the SeaBIOS is loaded and fails to boot UEFI. How can I fix this? THX

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