howto/drbd.md

@@ -148,6 +148,9 @@ Then you can "reactivate" the disks simply by telling ganeti:
 
 And then the disk will resync.
 
+It's also possible a disk was detached and improperly removed. In that
+case, you might want to [delete a stray device](#deleting-a-stray-device).
+
 ## Upstream documentation
 
  * [User guide](https://docs.linbit.com/docs/users-guide-8.3/)