It is strange, there is no refrences to it trough /etc/ceph/ceph.conf or /etc/pve/ceph.conf
cluster:
id: id
health: HEALTH_WARN
1 pgs not deep-scrubbed in time
services:
mon: 3 daemons, quorum pve01,pve03,pve02 (age 22h)
mgr: pve03(active, since 3w)...