diff --git a/ceph/osd/cluster.yml b/ceph/osd/cluster.yml
index 31fa050..64f1000 100644
--- a/ceph/osd/cluster.yml
+++ b/ceph/osd/cluster.yml
@@ -5,4 +5,4 @@
     system:
       kernel:
         sysctl:
-          fs.aio-max-nr: 131072
+          fs.aio-max-nr: 1048576