From: Grant Slater <git@firefishy.com>
Date: Mon, 23 Dec 2019 15:59:13 +0000 (+0000)
Subject: udev tune DELL PERC H710 scheduler
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/8850b93c4d03c06b7b978de07c76b162f7f98daa?hp=3d7a211970c6e6e0ded63f2f9f6467aa6152b759

udev tune DELL PERC H710 scheduler
---

diff --git a/cookbooks/devices/templates/default/udev.rules.erb b/cookbooks/devices/templates/default/udev.rules.erb
index 29443f2f0..800916fb9 100644
--- a/cookbooks/devices/templates/default/udev.rules.erb
+++ b/cookbooks/devices/templates/default/udev.rules.erb
@@ -10,6 +10,11 @@ ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL
 ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="VMware", ENV{ID_MODEL}=="Virtual_disk", ATTR{queue/read_ahead_kb}="4096"
 ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="VMware", ENV{ID_MODEL}=="Virtual_disk", ATTR{queue/scheduler}="noop"
 
+# Dell PERC H710 tune
+ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="DELL", ENV{ID_MODEL}=="PERC_H710", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="DELL", ENV{ID_MODEL}=="PERC_H710", ATTR{queue/scheduler}="deadline"
+ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="DELL", ENV{ID_MODEL}=="PERC_H710", ATTR{queue/nr_requests}="512"
+
 <% node[:devices].each do |name,device| -%>
 
 # <%= device[:comment] %>