To verify your suspicion , temporarily run 'setenforce 0' on the nodes in the cluster and try again to attach the NFS (via oVirt of course).<div id="yMail_cursorElementTracker_1621758194208"><br></div><div id="yMail_cursorElementTracker_1621758194365">If it works, then you can check /var/log/audit/audit log for AVC entries (or just run 'sealert -a &lt;log&gt;' )</div><div id="yMail_cursorElementTracker_1621758251264">It will tell you what kind of label you will need.</div><div id="yMail_cursorElementTracker_1621758269316">Then you can just change in oVirt the mount options and append 'context=&lt;selinux context&gt; and it will work.</div><div id="yMail_cursorElementTracker_1621758312535"><br></div><div id="yMail_cursorElementTracker_1621758312744">I remember another issue related to some ubuntu NFS server options, but I can't recall it right now.</div><div id="yMail_cursorElementTracker_1621758343791"><br></div><div id="yMail_cursorElementTracker_1621758344009">Best Regards,</div><div id="yMail_cursorElementTracker_1621758348664">Strahil Nikolov</div><div id="yMail_cursorElementTracker_1621758311115"> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Sat, May 22, 2021 at 20:20, David White via Users</div><div>&lt;users@ovirt.org&gt; wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> <div id="yiv3030740057"><div>Hello,<br>Is it possible to use Ubuntu to share an NFS export with oVirt?</div><div>I'm trying to setup a Backup Domain for my environment.<br></div><div><br></div><div>I got to the point of actually adding the new Storage Domain.<br></div><div>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.<br></div><div><br></div><div>It appears I'm running into the issue described in this thread:&nbsp;<a rel="nofollow noopener noreferrer" target="_blank" href="https://lists.ovirt.org/archives/list/users@ovirt.org/thread/BNVXUH5B26FBFCGYLG62JUSB5SOU2MN7/#IZTU744GVKY5OJT4QOULLZVKGYADXDOO">https://lists.ovirt.org/archives/list/users@ovirt.org/thread/BNVXUH5B26FBFCGYLG62JUSB5SOU2MN7/#IZTU744GVKY5OJT4QOULLZVKGYADXDOO</a>&nbsp;... Although the actual export is ext4, not xfs.<br></div><div><br></div><div>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?<br></div><div><br></div><div>Is my only option here to install an OS that supports SELinux?</div><div><br></div><div class="yiv3030740057protonmail_signature_block"><div class="yiv3030740057protonmail_signature_block-user yiv3030740057protonmail_signature_block-empty"><br></div><div class="yiv3030740057protonmail_signature_block-proton">Sent with <a rel="nofollow noopener noreferrer" target="_blank" href="https://protonmail.com">ProtonMail</a> Secure Email.<br></div></div><div><br></div></div>_______________________________________________<br>Users mailing list -- <a ymailto="mailto:users@ovirt.org" href="mailto:users@ovirt.org">users@ovirt.org</a><br>To unsubscribe send an email to <a ymailto="mailto:users-leave@ovirt.org" href="mailto:users-leave@ovirt.org">users-leave@ovirt.org</a><br>Privacy Statement: <a href="https://www.ovirt.org/privacy-policy.html" target="_blank">https://www.ovirt.org/privacy-policy.html</a><br>oVirt Code of Conduct: <a href="https://www.ovirt.org/community/about/community-guidelines/" target="_blank">https://www.ovirt.org/community/about/community-guidelines/</a><br>List Archives: <a href="https://lists.ovirt.org/archives/list/users@ovirt.org/message/MBDGUQZVNJNV56PWCTLM66B6B7TSNPOQ/" target="_blank">https://lists.ovirt.org/archives/list/users@ovirt.org/message/MBDGUQZVNJNV56PWCTLM66B6B7TSNPOQ/</a><br> </div> </blockquote></div>