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 [email protected] 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 >> >> _______________________________________________ >> pve-user mailing list >> [email protected] >> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> > > _______________________________________________ > pve-user mailing list > [email protected] > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user -- --- Fabrizio Cuseo - mailto:[email protected] Direzione Generale - Panservice InterNetWorking Servizi Professionali per Internet ed il Networking Panservice e' associata AIIP - RIPE Local Registry Phone: +39 0773 410020 - Fax: +39 0773 470219 http://www.panservice.it mailto:[email protected] Numero verde nazionale: 800 901492 _______________________________________________ pve-user mailing list [email protected] https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
