GitHub user bilalinamdar edited a comment on the discussion: CloudStack 4.22 – 
VM deployment on LINSTOR primary fails during ROOT volume population (qemu-img 
convert), while volume creation succeeds

Hi,

This is initial Investigation.

So i used virter and replicated exact env as yours from the playbook.

1) System vm's Spinned up properly without issue.
2) Now the deployment of Ubuntu 22 and 24 vm didn't happened same issue. But 
all other template deployed Oracle Linux 9, Alma Linux 9, Debian 12

So i investigated further and renamed the .img of ubuntu 24.04 to qcow2 and 
reuploaded it as new template and its deployment worked. later i also used. 
qemu-img convert -f qcow2 -O qcow2 -c ubuntu-24.04-server-cloudimg-amd64.img 
ubuntu-24.04-optimized.qcow2   
and uploaded this and tried and that also worked

Let me check further as this was virter env. but atleast i am happy for now. 
Will update soon as this is initial investigation 
<img width="1774" height="773" alt="image" 
src="https://github.com/user-attachments/assets/7bfc9433-e29c-445a-920d-7659cada99fc";
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<img width="1601" height="813" alt="image" 
src="https://github.com/user-attachments/assets/1442a180-7bc9-4bc3-8284-b989d4136798";
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<img width="1495" height="906" alt="image" 
src="https://github.com/user-attachments/assets/704c9c67-7317-4c88-b311-df9923ef99db";
 />


remember the ubuntu 22 and 24 are from the official wizard download and not 
manual (.img)

To summarize

1) System vm's Spinned up properly without issue. (virter)
2) the official ubuntu .img even though qcow2 doesn't work with Linstor it 
works with NFS primary for deployment of instance.
3) Other than ubuntu .imgs every thing else work mostly .qcow2 templates.
4) adding volume works.
5) will check on actual host and will update later. this is tested with virter 
on single host.
6) i was unable to access the console due to my network forwarding thing. but i 
am sure it is working.
7) Uploaded logs.

extra command needed in the poc doc

#On main
cloudstack-setup-management
systemctl restart cloudstack-managment

I have seen similar .img issue in proxmox forum somewhere.



GitHub link: 
https://github.com/apache/cloudstack/discussions/12388#discussioncomment-15460298

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