From: Tom Hughes <tom@compton.nu>
Date: Tue, 10 Jul 2018 12:26:47 +0000 (+0100)
Subject: Use deadline scheduler for disks in katie
X-Git-Url: https://git.openstreetmap.org./chef.git/commitdiff_plain/33243121ffc92f08550c263963a13707bcf8aed8

Use deadline scheduler for disks in katie
---

diff --git a/roles/katie.rb b/roles/katie.rb
index 445d29f28..bf69a2c19 100644
--- a/roles/katie.rb
+++ b/roles/katie.rb
@@ -2,6 +2,17 @@ name "katie"
 description "Master role applied to katie"
 
 default_attributes(
+  :devices => {
+    :disktune => {
+      :comment => "Tune scheduler for Toshiba disks",
+      :type => "block",
+      :bus => "ata",
+      :serial => "TOSHIBA_DT01ACA300_*",
+      :attrs => {
+        "queue/scheduler" => "deadline"
+      }
+    }
+  },
   :networking => {
     :interfaces => {
       :external_ipv4 => {