poldi: tweak md sync (check) performance to lower impact on machine

diff --git a/roles/poldi.rb b/roles/poldi.rb
index 5f73b62..6a92cfc 100644 (file)
--- a/roles/poldi.rb
+++ b/roles/poldi.rb
@@ -31,6 +31,15 @@ default_attributes(
       }
     }
   },
       }
     }
   },

+  :sysfs => {
+    :md_tune => {
+      :comment => "Tune the md sync performance so as not to kill system performance",
+      :parameters => {
+        "block/md0/md/sync_speed_min" => "100",
+        "block/md0/md/sync_speed_max" => "100000"
+      }
+    }
+  },

   :networking => {
     :interfaces => {
       :internal_ipv4 => {
   :networking => {
     :interfaces => {
       :internal_ipv4 => {