Random Errors During Remote Migration from PVE 7.4 to 8.3

shahin352

New Member
Aug 21, 2023
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Hello everyone,

I've been encountering a recurring issue during remote migrations from Proxmox VE 7.4 to version 8.3. After transferring the disk and RAM, I occasionally get the following error for some VMs. However, migrations from version 7.4 to 7.4 work without any issues

Code:
qm remote-migrate 100 200 apitoken='Authorization: PVEAPIToken=root@pam!hotmigrate=<token>',host=<ip>,fingerprint=<fingerprint> --target-bridge vmbr0 --target-storage local --online --bwlimit 80000

Code:
2025-04-14 06:14:49 migration active, transferred 1.4 GiB of 2.0 GiB VM-state, 28.1 MiB/s

tunnel: done handling forwarded connection from '/run/qemu-server/100.migrate'

2025-04-14 06:14:49 average migration speed: 39.0 MiB/s - downtime 28 ms

2025-04-14 06:14:49 migration status: completed

all 'mirror' jobs are ready

drive-virtio0: Completing block job_id...

drive-virtio0: Completed successfully.

tunnel: done handling forwarded connection from '/run/qemu-server/100_nbd.migrate'

drive-virtio0: mirror-job finished

2025-04-14 06:14:50 stopping NBD storage migration server on target.

tunnel: -> sending command "nbdstop" to remote

tunnel: <- got reply

2025-04-14 06:14:50 ERROR: error - tunnel command '{"cmd":"nbdstop"}' failed - failed to handle 'nbdstop' command - VM 100 not running

2025-04-14 06:14:50 ERROR: migration finished with problems (duration 00:08:07)


Source Proxmox VE Version:

Code:
proxmox-ve: 7.4-1 (running kernel: 5.15.143-1-pve)

pve-manager: 7.4-17 (running version: 7.4-17/513c62be)


Target Proxmox VE Version:

Code:
proxmox-ve: 8.3.0 (running kernel: 6.8.12-9-pve)

pve-manager: 8.3.5 (running version: 8.3.5/dac3aa88bac3f300)


/etc/pve/qemu-server/100.conf
Code:
agent: 1

boot: c

bootdisk: virtio0

cores: 1

cpu: host

memory: 2048

meta: creation-qemu=7.2.0,ctime=1728833753

name: test

net0: virtio=02:01:4B:38:B0:52,bridge=vmbr0

onboot: 0

ostype: other

serial0: socket

virtio0: local:100/vm-100-disk-0.qcow2,size=25G



Has anyone else experienced this issue or have ideas about what might be causing these random errors? I appreciate any guidance or suggestions you can provide.

Thank you!