Copy Proxmox virtual machine to another server.

List virtual machines.

basilisk:~$ qm list
VMID NAME                   STATUS     MEM(MB)    BOOTDISK(GB) PID       
     10001 ubuntu-jammy-jellyfish running    2048              20.00 714306  qm info 1 

Display virtual machine configuration.

basilisk:~$ qm config 10001
boot: order=scsi0;ide2;net0
cores: 2
ide2: none,media=cdrom
memory: 2048
meta: creation-qemu=6.2.0,ctime=1656270900
name: ubuntu-jammy-jellyfish
net0: virtio=6A:1D:86:B4:CF:43,bridge=vmbr0,firewall=1
numa: 0
ostype: l26
scsi0: local-lvm:vm-10001-disk-0,cache=writethrough,iothread=1,replicate=0,size=20G,ssd=1
scsihw: virtio-scsi-single
smbios1: uuid=a85af7d3-4a02-4a82-b612-9271c1de907f
sockets: 1
vga: std
vmgenid: 675763b6-d75e-40fc-919b-5e932aca8407

Stop virtual machine.

basilisk:~$ qm stop 10001

Create compressed backup.

basilisk:~$ vzdump 10001 --compress zstd
INFO: starting new backup job: vzdump 10001 --compress zstd
INFO: Starting Backup of VM 10001 (qemu)
INFO: Backup started at 2022-07-13 22:23:48
INFO: status = stopped
INFO: backup mode: stop
INFO: ionice priority: 7
INFO: VM Name: ubuntu-jammy-jellyfish
INFO: include disk 'scsi0' 'local-lvm:vm-10001-disk-0' 20G
INFO: creating vzdump archive '/var/lib/vz/dump/vzdump-qemu-10001-2022_07_13-22_23_48.vma.zst'
INFO: starting kvm to execute backup task
INFO: started backup task '9b70f2d1-1be0-4811-ba11-b676d5f595fa'
INFO:  10% (2.0 GiB of 20.0 GiB) in 3s, read: 682.7 MiB/s, write: 156.2 MiB/s
INFO:  12% (2.6 GiB of 20.0 GiB) in 6s, read: 203.0 MiB/s, write: 146.2 MiB/s
INFO:  15% (3.1 GiB of 20.0 GiB) in 9s, read: 174.0 MiB/s, write: 170.4 MiB/s
INFO:  17% (3.6 GiB of 20.0 GiB) in 12s, read: 164.3 MiB/s, write: 155.1 MiB/s
INFO:  21% (4.3 GiB of 20.0 GiB) in 15s, read: 252.5 MiB/s, write: 150.7 MiB/s
INFO:  30% (6.1 GiB of 20.0 GiB) in 18s, read: 611.4 MiB/s, write: 130.8 MiB/s
INFO:  35% (7.0 GiB of 20.0 GiB) in 21s, read: 303.3 MiB/s, write: 140.8 MiB/s
INFO:  37% (7.4 GiB of 20.0 GiB) in 24s, read: 149.8 MiB/s, write: 135.7 MiB/s
INFO:  40% (8.0 GiB of 20.0 GiB) in 27s, read: 205.4 MiB/s, write: 150.3 MiB/s
INFO:  42% (8.5 GiB of 20.0 GiB) in 30s, read: 163.1 MiB/s, write: 148.4 MiB/s
INFO:  48% (9.7 GiB of 20.0 GiB) in 33s, read: 415.7 MiB/s, write: 147.9 MiB/s
INFO:  57% (11.5 GiB of 20.0 GiB) in 36s, read: 610.2 MiB/s, write: 114.4 MiB/s
INFO:  81% (16.4 GiB of 20.0 GiB) in 39s, read: 1.6 GiB/s, write: 49.1 MiB/s
INFO: 100% (20.0 GiB of 20.0 GiB) in 41s, read: 1.8 GiB/s, write: 4.0 KiB/s
INFO: backup is sparse: 14.74 GiB (73%) total zero data
INFO: transferred 20.00 GiB in 41 seconds (499.5 MiB/s)
INFO: stopping kvm after backup task
INFO: archive file size: 2.14GB
trying to acquire lock...
 OK
INFO: Finished Backup of VM 10001 (00:00:44)
INFO: Backup finished at 2022-07-13 22:24:32
INFO: Backup job finished successfully

Copy backup archive to another server.

basilisk:~$ scp /var/lib/vz/dump/vzdump-qemu-10001-2022_07_13-22_23_48.vma.zst manticore:~/
vzdump-qemu-10001-2022_07_13-22_23_48.vma.zst                                                                         100% 2188MB 111.9MB/s   00:19 

Restore backup on remote server.

manticore:~$ qmrestore vzdump-qemu-10001-2022_07_13-22_23_48.vma.zst 10001
restore vma archive: zstd -q -d -c /root/vzdump-qemu-10001-2022_07_13-22_23_48.vma.zst | vma extract -v -r /var/tmp/vzdumptmp647964.fifo - /var/tmp/vzdumptmp647964
CFG: size: 499 name: qemu-server.conf
DEV: dev_id=1 size: 21474836480 devname: drive-scsi0
CTIME: Wed Jul 13 22:23:49 2022
  Logical volume "vm-10001-disk-0" created.
new volume ID is 'local-lvm:vm-10001-disk-0'
map 'drive-scsi0' to '/dev/pve/vm-10001-disk-0' (write zeros = 0)
progress 1% (read 214761472 bytes, duration 1 sec)
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progress 100% (read 21474836480 bytes, duration 42 sec)
total bytes read 21474836480, sparse bytes 15824703488 (73.7%)
space reduction due to 4K zero blocks 3.41%
rescan volumes...

List virtual machines on remote server.

manticore:~$ qm list
VMID NAME                 STATUS     MEM(MB)    BOOTDISK(GB) PID       
     10001 ubuntu-jammy-jellyfish stopped    2048              20.00 0    

Now you can use it right away or just convert it to a template.

ko-fi