qcow2

Hi. I want to make a VM with format qcow2 in a iSCSI target. I found in tutorials that is possible make a file system to the iscsi device,and the select qcow2 (to make snapshot possible) when creating the VM. But, i dont find how do this... how make a qcow2 format to a VM in a iSCSI target with...

Hello, I would like to install windows server 2016 on proxmox. my server have two ssds. i use qcow2 but wich is the best ide, sata or virtio and discard enable or disable? i have no lvm storage. can you give me a quick answer? thanks!

Hi my vm is broken, qm start 100 gives: qcow2: Image is corrupt; cannot be opened read/write kvm: -drive file=/var/lib/vz/images/100/vm-100-disk-1.qcow2,if=none,id=drive-scsi0,format=qcow2,cache=none,aio=native,detect-zeroes=on: qcow2: Image is corrupt; cannot be opened read/write start...

Hi all, I'm wondering if it is possible to move/transfert a VM disk from local HDD to a SAN LVM over ISCSI storage without reinstalling VM from scratch.. I'm aware that in the first place i will need to convert my disk image from qcow2 to raw before attempting to import it in SAN storage. Is...

Sehr geehrte Damen und Herren, wir haben einen Proxmox-Cluster aus 13 Maschinen aufgebaut, davon sind 9 Maschinen kleine Shuttle-PC vom Typ DH110, Geräte die für den Dauerbetrieb zertifiziert sind und die im Einzeltest unter Proxmox 4.x ein Jahr störungsfrei gelaufen sind. 2 Maschinen sind...

If a VM is build using qcow2 or vmdk HDD format with size say 1TB and fill it up completely, it uses 1TB of Proxmox server disk space, but when you delete files from VM, it does not de-allocate HDD space and still 1TB of disk is used on Proxmox disks. I faced this problem on 4.0 and 4.2 PVE...

Good day! Today i try to migrate hyperv VM with Windows 10. I have copied VM in vhdx format on Proxmox server, then i used: qemu-img convert -O qcow2 Windows10.vhdx /var/lib/vz/images/Windows10.qcow2 I have *.qcow2 image at output. Then i've tryied to connect disk to new installed VM, but i...

Hey everyone ! We were moving disks from a storage to another and noticed that when they arrive on the new storage, the thin provisioning expanded to full space. Before, when we had a few VMs, we could use the old method to empty the disks (using dd to fill the disk with zeros and deleting...

Hi all, Preamble: Proxmox VE 4.4 Storage type Directory VM disk images type qcow2 imported from KVM+virt-manager Role Administrator + root in the OS To make long story short, my aim is to import/convert qcow2 images with some snapshots embedded into Proxmox VM Snapshots view. I've searched...

I have qcow2 image below and want to create VM using this image ..How do I do this from GUI ? If not then from CLI. I tried to google it but hasn't found straight answer yet , same on Proxmox support pages root@pve:/var/lib/vz/template/iso# ls -l /var/lib/vz/images/ total 1940868 -rw-r--r-- 1...

I just installed a fresh PVE 4.4 with local-lvm and ceph rbd storage. Now when creating a new VM I'm unable to select 'qcow2' format or any other except 'raw' for unknown reason. It does not matter if I try to use ceph-rbd or local-lvm the 'Format' GUI field is always grayed out. I know that...

Hi, we were just facing this really odd trouble here, and wondered if anyone was experiencing the same or has any answers: - Virtual Environment 4.4-12/e71b7a74 on supermicro server hardware with LSI RAID Adapter. RAID1 with two 3 TB disks, no errors in Raid, no Errors in (ECC) RAM -...

Hello, I have installed proxmox today for the first time and I am encountered a problem. I need to deploy a .qocw2 image to my proxmox (it's a firewall template). Unfortunately, when I create a VM, I choose OtherOS as OS then I can't choose qcow2 file to boot on. only iso(CD/DVD TAB). Am I...

This is a fresh install of Prox 4.3. Converted .vmdk to qcow2 root@proxie:~# qemu-img convert -f vmdk image-wmps-fireeyenx1500v-disk1.vmdk -O qcow2 image-wmps-fireeyenx1500v-disk1.qcow2 However, any instructions I can find say to copy create a VM (say 104) and and copy the qcow2 image to...

Hi all, I've a question: In a clustered Proxmox environment with 4 nodes when all vms are stored in differents LUNs in a clustered 2 storages Synology connected with ISCSI how can I retrieve the singles disks of the singles vms? All the system work (iscsi target regolary logged, migration...

Hello community, I have one physical Host, on which I´ve running Proxmox VE with some VMs. Unfortunatelly I have to disassemble this physical host this week. So I was trying to move a whole vm-104-disk-1.qcow2-Image from one host to another earlier today. The new host is a Proxmox VE which is...

We have a qcow2 image but the image is only 4GB in size but when we try and resize the disk and new unallocated partitiion is created and we have no way to extend the primary partition. How do we extend the primary partition from 4GB? We do not want another partitiion as we cannot even do...

I have just installed Proxmox VE 4.2 (on ZFS), and tried to restore a few VMs to it (from NFS). Regardless of the fact that all VMs used qcow2 disk format when they were backed up, Proxmox creates ZFS zvols for them, instead of qcow2 files. Is there any way to restore VMs directly to qcow2 on...

Hello! on our Porxmox VE 4.2 we have a working windows XP guest with a "raw" disk image. In order to being able to use live snapshots, i want to migrate the raw image to qcow2. I did that by using the PVE GUI (after preparing the storage to be mounted). Now, when i want to start the XP guest, i...

Hello, qemu version 2.5 introduced the setting of qcow2 drive-options for increasing L2 cache table size. Info: https://github.com/qemu/qemu/blob/master/docs/qcow2-cache.txt https://blogs.igalia.com/berto/2015/12/17/improving-disk-io-performance-in-qemu-2-5-with-the-qcow2-l2-cache/ Is there a...