Problem migrating OpenVZ to Proxmox

[lisandro]

Hi there!

I want to restore a VM that I was running. Many years ago (before know Proxmox) I installed CentOS 6 and OpenVZ. From OpenVZ I created a VM using a Ubuntu 12.04 template. That VM was running the last month but now the CentOS is not running because a kernel panic that I could not fix, so I have no access to that VM. I have only a backup: vzdump-openvz-101-2021_12_26-03_24_01.tgz

I have installed Proxmox 6.2-11 and I tried to restore that backup without successful. I copied that backup into /var/lib/vz/dump/ and after that I went to the 'local' disk and I tried to restore into a new CT, but I got the following message error:

TASK ERROR: unable to restore CT 999 - file does not look like a template archive: /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tgz

Ubuntu 12.04 is not available in the LXC templates. Is that the reason? Is there anything else I can do for fix it?

Thanks!
Regards!

 

[lisandro]

I also tried from command line:

# pct restore 997 /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tgz --storage local-zfs
# qmrestore /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tgz 999

 

[fiona]

Hi,
could you try changing the extension to .tar.gz instead?

 

[lisandro]

Hi Fabian,

Yes, I resolved this problem yesterday changing the extension from '.tgz' to '.tar.gz':

# mv /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tgz /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tar.gz
# pct restore 997 /var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tar.gz --storage local-zfs
extracting archive '/var/lib/vz/dump/vzdump-openvz-101-2021_12_26-03_24_01.tar.gz'
Total bytes read: 392040448000 (366GiB, 195MiB/s)
Detected container architecture: amd64
###########################################################
Converting OpenVZ configuration to LXC.
Please check the configuration and reconfigure the network.
###########################################################

I was finishing configuring the CT, I just wanted to confirm this solved the problem before write the solution here

Thanks!
Regards!