[SOLVED] Migrate VM across Clusters with Ceph not possible

If I try to migrate a VM (Online or Offline) from one Cluster to another. It will not work.
Both Clusters use Ceph.

But if i put the OS Disk on local-zfs and then migrate it to the other cluster it works.

Error from Ceph to Ceph:
Code:
2024-12-23 12:57:56 remote: started tunnel worker 'UPID:PMX7:00304B48:029C58AE:67695044:qmtunnel:702:root@pam!pdm-admin:'
tunnel: -> sending command "version" to remote
tunnel: <- got reply
2024-12-23 12:57:56 local WS tunnel version: 2
2024-12-23 12:57:56 remote WS tunnel version: 2
2024-12-23 12:57:56 minimum required WS tunnel version: 2
websocket tunnel started
2024-12-23 12:57:56 starting migration of VM 702 to node 'PMX7' (10.2.1.134)
tunnel: -> sending command "bwlimit" to remote
tunnel: <- got reply
tunnel: -> sending command "bwlimit" to remote
tunnel: <- got reply
tunnel: -> sending command "bwlimit" to remote
tunnel: <- got reply
tunnel: -> sending command "bwlimit" to remote
tunnel: <- got reply
2024-12-23 12:57:57 found local disk 'vm_nvme:vm-702-disk-0' (attached)
2024-12-23 12:57:57 found local disk 'vm_nvme:vm-702-disk-1' (attached)
2024-12-23 12:57:57 found local disk 'vm_nvme:vm-702-disk-2' (attached)
2024-12-23 12:57:57 found generated disk 'vm_nvme:vm-702-disk-3' (in current VM config)
2024-12-23 12:57:57 copying local disk images
2024-12-23 12:57:57 ERROR: no export formats for 'vm_nvme:vm-702-disk-0' - check storage plugin support!
2024-12-23 12:57:57 aborting phase 1 - cleanup resources
tunnel: -> sending command "quit" to remote
tunnel: <- got reply
2024-12-23 12:57:58 ERROR: migration aborted (duration 00:00:02): no export formats for 'vm_nvme:vm-702-disk-0' - check storage plugin support!
TASK ERROR: migration aborted
 
Are the Proxmox VE nodes on the latest packages? There is currently also work underway on the Proxmox VE side to make the export/import more consistent across the storage plugins. Therefore, if it doesn't work just yet, it should so in the near future.
 
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