Display the default Ceph configuration
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The ceph-conf command line queries the /etc/ceph/ceph.conf file.
# ceph-conf --lookup fsid 571bb920-6d85-44d7-9eca-1bc114d1cd75
The –show-config option can be used to display the config of a running daemon:
ceph -n osd.123 --show-config
When no name is specified, it will show the default Ceph configuration
ceph --show-config --conf /dev/null