Is it possible to limit HDD size when importing OVA file?

foresthill

New Member
Mar 21, 2025
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I found the below instructions to install GNS3 on Proxmox in a youtube video. The instructions work, but the VM ends up configured being allowed to take up the entire drive. My drive is set up as LVM-thin.

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Instructions:
SCP OVF file to /tmp on Proxmox
SSH to Proxmox
tar xvf "GNS3 VM.ova"
Run QM command, select drive where you want to keep the virtual disks
qm importovf 110 "GNS3 VM.ovf" pve-data2
In GUI, open VM and add hardware Network Device: vmbr0
Change memory and CPU allocation
Set CPU type to host

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These instructions work but they end up setting the VM to be allowed to take up my entire drive "pve-data2". Is there a way this process can be modified to explicitly set a hard drive limit for the VM?
 
Just updating this with the conclusion I reached.

The GNS3 OVA is released with a 500GB disk by default. I have not been able to find an easy solution to shrink that disk. The reason I thought the VM is taking up my entire drive is because my drive is a 512GB M.2 drive, so it was taking up all the space, but its because the vmdk file is set to 500GB.