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Are those OSDs bluestore ones or still old file-store ones?

Have you tried running `ceph-volume lvm activate --all`?

It should search for bluestore OSDs and activate them. Activating means, 
mounting the tmpfs into the /var/lib/ceph/osd/ceph-{id} and starting the systemd 
units.

On 7/21/23 21:56, Humberto Jose de Sousa wrote:
> Hi folks,
> 
> I upgraded my ceph cluster from Octopus to Pacific and Pacific to Quincy,
> no problems here.
> 
> So I upgraded pve 7 to 8. After reboot the OSDs don't up. There is no
> directory /etc/ceph/osd/ and json files. The directory
> /var/lib/ceph/osd/ceph-<id>/ is empty.
> 
> How can I recreate the lost files?