diff --git a/config.yaml b/config.yaml
index 891c7400..d47f6764 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,4 +1,8 @@
 options:
+  loglevel:
+    default: 1
+    type: int
+    description: Mon and OSD debug level. Max is 20.
   fsid:
     type: string
     default:
diff --git a/hooks/ceph_hooks.py b/hooks/ceph_hooks.py
index 3a383938..9c8c89a3 100755
--- a/hooks/ceph_hooks.py
+++ b/hooks/ceph_hooks.py
@@ -99,6 +99,7 @@ def emit_cephconf():
         'use_syslog': str(config('use-syslog')).lower(),
         'ceph_public_network': config('ceph-public-network'),
         'ceph_cluster_network': config('ceph-cluster-network'),
+        'loglevel': config('loglevel'),
     }
 
     if config('prefer-ipv6'):
diff --git a/templates/ceph.conf b/templates/ceph.conf
index e168f54a..64f52a6c 100644
--- a/templates/ceph.conf
+++ b/templates/ceph.conf
@@ -14,6 +14,8 @@ log to syslog = {{ use_syslog }}
 err to syslog = {{ use_syslog }}
 clog to syslog = {{ use_syslog }}
 mon cluster log to syslog = {{ use_syslog }}
+debug mon = {{ loglevel }}/5
+debug osd = {{ loglevel }}/5
 
 {%- if ceph_public_network is string %}
 public network = {{ ceph_public_network }}