qcow2

Hi all, a small question, my qcow2 files are bigger as i have set in configuration, most 1-75-2x bigger as configured. no snapshots are available in this. fallocate -d vm.qcow2 i have done already, same issue. what is the problem, why files are bigger as in configuration. how can i solve it? any...

Hi, I encountered an issue on my Proxmox VE system where newly created QCOW2 disks on classic LVM can contain stale data from previously used LVM extents. Note: I encountered this issue on my Proxmox VE system during VM disk creation. I used ChatGPT to help analyze the behavior and to...

Hi everyone, Since Proxmox doesn't leer disk from the GUI, Iwrote a Bash script that automates the whole process. It runs entirely on the host with the guest stopped, so there's no GParted or live-CD juggling. It handles the tricky parts (filesystem, partition table, and the underlying host...

I have a Proxmox VE 9.1 production environment with 2 nodes and 1 qdevice (for quorum) using shared NFS storage. During snapshot or backup operations, VMs (especially Windows) become completely unresponsive: VM freezes completely Loses network connectivity (no ping) Console is frozen VM...

I started a thread on the Proxmox reddit which quickly went down a rabbit hole and finally hit the bottom. https://www.reddit.com/r/Proxmox/comments/1sf3l9y/high_io_pressure_stall_during_os_install_iscsi/ TL;DR I am experiencing high IO pressure stalls peaking at 30% along with extremely long...

I attached an iSCSI Target to my node Created LVM from it They are shared between my 3 Proxmox nodes I cloned a VM from NFS to this LVM over iSCSI It took qcow2 as the format. I tried some API GET queries to fetch the disk info The VM is on n1 curl -k -H 'Authorization: PVEAPIToken=<token>'...

Hello, I have several Windows Server VMs, and the older ones with TPM in .raw format have no problems. Since the update, I wanted to try machines with TPM in .qcow2 format to take snapshots. Unfortunately, after a while, these VMs have a problem when restarting and can no longer boot up. When I...

I'm using shared storage backed by NFS with VMs using qcow2 and I'm hitting wall trying to track the size of a given snapshot. Using qemu-img I can see the snapshot but the VM_SIZE all show as 0B. I can definitely see the size of the disk growing from my tests ( writing mutliple 1GB files from...

Hello there people, I have a general Question about a feature request specifically this one: Bug 4693 - [Feature Request] - PVE - TPM State Disk as qcow2 This is a feature I and many others are very much looking forward to, and I have seen on the lore site that Fiona Ebner has already done some...

Hey everyone, A few recent developments prompted us to examine QCOW2’s behavior and reliability characteristics more closely: 1. Community feedback There are various community discussions questioning the reliability of QCOW2. We have customers (predating our native integration) interested in...

Hello All, For powered-off VMs, we cannot view or query the size of QCOW2 disks on LVM storage — unless the VMs are powered on or activated via SSH. Is this a bug?

Hallo, ich habe das seltsame Phänomen, dass eine qcow2 Datei auf dem Hostsystem viel Größer ist, als sie eigentlich sein dürfte...; nämlich fast doppelt so groß Host: #> ls -lah -rw-r----- 1 root root 4,1T 24. Aug 22:36 vm-102-disk-0.qcow2 vm: #> df -h Dateisystem Größe Benutzt Verf...

Hi everyone, we’re currently facing an issue after migrating a legacy SCO OpenServer 6 virtual machine from VMware to Proxmox. Here's what we’ve done so far: Successfully converted the original .vmdk file to .qcow2 using qemu-img. Created a new VM in Proxmox and attached the converted .qcow2...

Hello everyone I have looked online but cant seem to find any where to get the option for qcow2. i can't change the format on my vm's when selecting the format option on the disks page on creating a vm. I have read online (maybe totally wrong) that i need to change my disk to File based...

I am one of the (possible) flood of former ESXi users, who will not doubt be asking questions here during their migration attempts. I have my PVE setup, zfs, working zpools and most of my virtual machines imported from ESXi, I have one VM that is particularly large, and it is on its way to my...

proxmox-vm's version is 4.1.The proxmox service in B machine that is bad.I copy vm's qcow2 file from B machine.How can i import qcow2 file into A machine. The pm importdisk command can execute on proxmox-vm 8.3 or 7.0. what's command of proxmox-vm 4.1?

Dear all, I'd like to set some defaults within PVE, but neither the manual nor the forum provided info on this: I want to have all VMs hard drives, created or reassigned, to be configured with "cache=directsync" When creating a VM, adding a HDD or detaching a disk and running "reassign...

We use Proxmox Backup Server and Client v3.3.1 to backup our KVM guests. These use qcow2 for the disks with ext4 as file system. To ensure that the backed up images are valid, the backed up disks are mounted via proxmox-backup-client map after uploading to the Proxmox Backup Server and checked...

Hello everyone! I'm setting up GlusterFS in my Proxmox labs, aiming to have shared storage from a single node (the disks are all in one server running GlusterFS server), while the other nodes connect to this server to use its storage. The basic GlusterFS configuration was successful: the other...

Hola y gracias de antemano, tengo un proxmox con informacion y esta tiene una maquina virutal de windows que se ha ido a tomar viento fresco, que no me funciona, esta maquina tiene 3 discos de formato qcow2, uno con el sistema y otros 2 con datos, como el promox me esta haciendo cosas raras y es...