Enable request merging for NVMe devices

[chef.git] / roles / dulcy.rb

diff --git a/roles/dulcy.rb b/roles/dulcy.rb
index ef153a918f838379d2143c76ec5a17542985e369..50e4d3b2d9faf705d4200b400c58ed85a593afd7 100644 (file)
--- a/roles/dulcy.rb
+++ b/roles/dulcy.rb
@@ -60,6 +60,15 @@ default_attributes(
         :max_children => "10"
       }
     }
+  },
+  :sysfs => {
+    :md_tune => {
+      :comment => "Enable request merging for NVMe devices",
+      :parameters => {
+        "block/nvme0n1/queue/nomerges" => "1",
+        "block/nvme1n1/queue/nomerges" => "1"
+      }
+    }
   }
 )