I think firefly is too old.
Either you create backups and restore in the new cluster, or you'll have
to upgrade the old clusters at least to Proxmox 5 and Ceph Mimic.
Cheers
El 30/1/20 a las 12:59, Fabrizio Cuseo escribió:
I can't afford the long downtime. With my method, the downtime is only to stop
the VM on the old cluster and start on the new; the disk image copy in done
online.
But my last migration was from 3.4 to 4.4
----- Il 30-gen-20, alle 12:51, Uwe Sauter uwe.sauter...@gmail.com ha scritto:
If you can afford the downtime of the VMS you might be able to migrate the disk
images using "rbd export | ncat" and "ncat | rbd
import".
I haven't tried this with such a great difference of versions but from Proxmox
5.4 to 6.1 this worked without a problem.
Regards,
Uwe
Am 30.01.20 um 12:46 schrieb Fabrizio Cuseo:
I have installed a new cluster with the last release, with a local ceph storage.
I also have 2 old and smaller clusters, and I need to migrate all the VMs to the
new cluster.
The best method i have used in past is to add on the NEW cluster the RBD storage
of the old cluster, so I can stop the VM, move the .cfg file, start the vm (all
those operations are really quick), and move the disk (online) from the old
storage to the new storage.
But now, if I add the RBD storage, copying the keyring file of the old cluster
to the new cluster, naming as the storage ID, and using the old cluster
monitors IP, i can see the storage summary (space total and used), but when I
go to "content", i have this error: "rbd error: rbd: listing images failed:
(95) Operation not supported (500)".
If, from the new cluster CLI, i use the command:
rbd -k /etc/pve/priv/ceph/CephOLD.keyring -m 172.16.20.31 ls rbd2
I can see the list of disk images, but also the error: "librbd::api::Trash:
list: error listing rbd trash entries: (95) Operation not supported"
The new cluster ceph release is Nautilus, and the old one is firefly.
Some idea ?
Thanks in advance, Fabrizio
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