diff --git a/roles/ceph-common/defaults/main.yml b/roles/ceph-common/defaults/main.yml
index f58e88e30..cf076897e 100644
--- a/roles/ceph-common/defaults/main.yml
+++ b/roles/ceph-common/defaults/main.yml
@@ -235,6 +235,7 @@ os_tuning_params:
   - { name: fs.file-max, value: 26234859 }
   - { name: vm.zone_reclaim_mode, value: 0 }
   - { name: vm.vfs_cache_pressure, value: 50 }
+  - { name: vm.min_free_kbytes, value: 4294967296 }
 
 
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