Hi, It is a good idea. You can try with qcow2 and raw (.img), both should work.
-Wei On Tue, Nov 18, 2025 at 1:38 PM Granwille Strauss <[email protected]> wrote: > Hello > > I registered a new template via CloudStack UI, URL: > https://cloud-images.ubuntu.com/releases/jammy/release/ubuntu-22.04-server-cloudimg-amd64.vmdk > > > And afterwards attempted to boot a new VM from it, but resulted in this > error: > > 2025-11-18 14:00:30,752 WARN [utils.script.Script] > (agentRequest-Handler-1:[]) (logid:65d003b3) Execution of process > [970156] for command [qemu-img convert -O qcow2 -U --image-opts > driver=qcow2,file.filename=/mnt/0a456ed7-de87-3956-a372-2886da3d8999/6daf7341-3f1b-366d-b068-24d206cab7f0.vmdk > /var/lib/libvirt/images/8fe2699a-e064-4129-9279-ebe6c06b7293 ] failed. > > 2025-11-18 14:00:30,752 WARN [utils.script.Script] > (agentRequest-Handler-1:[]) (logid:65d003b3) Process [970156] for command > [qemu-img convert -O qcow2 -U --image-opts > driver=qcow2,file.filename=/mnt/0a456ed7-de87-3956-a372-2886da3d8999/6daf7341-3f1b-366d-b068-24d206cab7f0.vmdk > /var/lib/libvirt/images/8fe2699a-e064-4129-9279-ebe6c06b7293 ] encountered > the error: [qemu-img: Could not open > 'driver=qcow2,file.filename=/mnt/0a456ed7-de87-3956-a372-2886da3d8999/6daf7341-3f1b-366d-b068-24d206cab7f0.vmdk': > Image is not in qcow2 format]. > > 2025-11-18 14:00:30,753 ERROR [kvm.storage.LibvirtStorageAdaptor] > (agentRequest-Handler-1:[]) (logid:65d003b3) Failed to convert > /mnt/0a456ed7-de87-3956-a372-2886da3d8999/6daf7341-3f1b-366d-b068-24d206cab7f0.vmdk > to /var/lib/libvirt/images/8fe2699a-e064-4129-9279-ebe6c06b7293 the error > was: qemu-img: Could not open > 'driver=qcow2,file.filename=/mnt/0a456ed7-de87-3956-a372-2886da3d8999/6daf7341-3f1b-366d-b068-24d206cab7f0.vmdk': > Image is not in qcow2 format > > Am I missing something? CloudStack UI literally gives me the option to > register VMDK format via the UI. > -- > Regards / Groete > > <https://www.namhost.com> Granwille Strauss // Senior Systems Admin > > *e:* [email protected] > *m:* +264 81 323 1260 <+264813231260> > *w:* www.namhost.com > > <https://www.facebook.com/namhost> <https://twitter.com/namhost> > <https://www.instagram.com/namhostinternetservices/> > <https://www.linkedin.com/company/namhost> > <https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA> > > <https://www.namhost.com/competition?r=signature> > > Namhost Internet Services (Pty) Ltd , > > 24 Black Eagle Rd, Hermanus, 7210, RSA > > > > The content of this message is confidential. If you have received it by > mistake, please inform us by an email reply and then delete the message. It > is forbidden to copy, forward, or in any way reveal the contents of this > message to anyone without our explicit consent. The integrity and security > of this email cannot be guaranteed over the Internet. Therefore, the sender > will not be held liable for any damage caused by the message. *Please > note that Namhost Internet Services (Pty) Ltd will never change its banking > details via email*. Always verify our account information directly with > our offices and your bank before making payment, as we will not accept > liability for any loss arising from payments made to fraudulent accounts- > we recommend first making a test payment to us. Although we take reasonable > precautions to prevent malware and viruses, we cannot guarantee that this > email is free from harmful content, and we accept no responsibility for any > damage or loss caused by such content. For our full privacy policy and > disclaimers, please go to https://www.namhost.com/privacy-policy > >
