We are use CephFS domains without issues from 4.3, currently on 4.4

[root@ovirt-host1 /]# ls -la /rhev/data-center/mnt/*ovirt*
'/rhev/data-center/mnt/172.16.16.2:3300,172.16.16.3:3300,172.16.16.4:3300:_ovirt__iso':
total 0
drwxrwxrwx. 3 root root   1 Sep  3 15:43 .
drwxr-xr-x. 5 vdsm kvm  182 Aug 19 14:35 ..
drwxr-xr-x. 4 vdsm kvm    2 Aug 19 14:35 def09ff0-e986-44c4-ac1c-470668ec2822


[root@ovirt-host1 /]# mount | grep iso
172.16.16.2:3300,172.16.16.3:3300,172.16.16.4:3300:/ovirt_iso on /rhev/data-center/mnt/172.16.16.2:3300,172.16.16.3:3300,172.16.16.4:3300:_ovirt__iso type ceph (rw,relatime,seclabel,name=mds_ovirt_iso,secret=<hidden>,ms_mode=prefer-crc,dirstat,acl)


k


On 1 Sep 2021, at 23:52, Nir Soffer <nsoffer@redhat.com> wrote:

This was never supported.

We had this old fix that was rejected:
https://gerrit.ovirt.org/c/vdsm/+/94027