On Sat, May 22, 2021 at 8:20 PM David White via Users <[email protected]> wrote:
>
> Hello,
> Is it possible to use Ubuntu to share an NFS export with oVirt?
> I'm trying to setup a Backup Domain for my environment.
>
> I got to the point of actually adding the new Storage Domain.
> When I click OK, I see the storage domain appear momentarily before 
> disappearing, at which point I get a message about oVirt not being able to 
> obtain a lock.

It may be he issue describe here:
https://github.com/oVirt/ovirt-site/pull/2433

The fix is to change this on the serve side:

# grep RPCMOUNTDOPTS /etc/default/nfs-kernel-server
# --manage-gids is not compatible with oVirt.
#RPCMOUNTDOPTS="--manage-gids"
RPCMOUNTDOPTS=""

> It appears I'm running into the issue described in this thread: 
> https://lists.ovirt.org/archives/list/[email protected]/thread/BNVXUH5B26FBFCGYLG62JUSB5SOU2MN7/#IZTU744GVKY5OJT4QOULLZVKGYADXDOO
>  ... Although the actual export is ext4, not xfs.

The issue is not related to the file system, and it is likely the same
issue described
in this thread.

> From what I'm reading on that thread and elsewhere, it sounds like this 
> problem is a result of SELinux not being present, is that correct?

This seems to be incompatible NFS server defaults on Ubuntu.

> Is my only option here to install an OS that supports SELinux?

This is another option, RHEL (like) server is a safe bet.

Nir
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