From: Grant Slater <git@firefishy.com>
Date: Fri, 6 Jul 2018 11:17:35 +0000 (+0100)
Subject: Set IO rq_affinity for HP RAID disks
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/79b410004661209ade34d5a4eb4a8681295f73da

Set IO rq_affinity for HP RAID disks
---

diff --git a/cookbooks/devices/templates/default/udev.rules.erb b/cookbooks/devices/templates/default/udev.rules.erb
index d6f30d69b..a9f7f3fdf 100644
--- a/cookbooks/devices/templates/default/udev.rules.erb
+++ b/cookbooks/devices/templates/default/udev.rules.erb
@@ -4,6 +4,7 @@
 ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL_VOLUME", ATTR{queue/scheduler}="noop"
 ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL_VOLUME", ATTR{queue/nr_requests}="512"
 ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL_VOLUME", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL_VOLUME", ATTR{queue/rq_affinity}="2"
 <% node[:devices].each do |name,device| -%>
 
 # <%= device[:comment] %>