====== Remove failed node ======

<code bash>
pvecm status

Highest expected: 4
</code>
<code bash>
pvecm delnode <hostname>

Killing node 2
</code>
<code bash>
pvecm status

Highest expected: 3
</code>
And reload WebUI to refresh cluster nodes.

==== Remove CEPH monitor ====
<code bash>
ceph mon remove <host>
</code>

==== Remove CEPH OSD ====
<code bash>
ceph osd out osd.2
ceph osd crush remove osd.2
ceph auth del osd.2
ceph osd rm osd.2
ceph osd crush rm <host>
</code>