diff --git a/HowtoCeph.md b/HowtoCeph.md
index bb5937bc..c0dd60f1 100644
--- a/HowtoCeph.md
+++ b/HowtoCeph.md
@@ -291,6 +291,19 @@ $ ceph auth del client.john
 ~~~
 
 
+# Gestion des OSD
+
+
+## Suppression
+
+~~~
+OSD=0
+ceph osd out $OSD
+sudo systemctl stop ceph-osd@$OSD
+ceph osd purge $OSD --yes-i-really-mean-it
+~~~
+
+
 # Gestion des pools