Update virtio_blk udev with note

[chef.git] / cookbooks / devices / templates / default / udev.rules.erb

diff --git a/cookbooks/devices/templates/default/udev.rules.erb b/cookbooks/devices/templates/default/udev.rules.erb
index 9c703409dc82e0d1d087272a6bcaef367b7cc778..a3c43a531450be7fa1f4e2108a1c455aed8be61d 100644 (file)
--- a/cookbooks/devices/templates/default/udev.rules.erb
+++ b/cookbooks/devices/templates/default/udev.rules.erb
@@ -5,6 +5,11 @@ ACTION=="add", SUBSYSTEM=="block", ENV{ID_VENDOR}=="HP", ENV{ID_MODEL}=="LOGICAL
 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"
+
+# VMware Virtual disk configuration
+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"
+
 <% node[:devices].each do |name,device| -%>
 
 # <%= device[:comment] %>
@@ -55,3 +60,7 @@ ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV
 
 # Enable request merging for NVME devices
 ACTION=="add", SUBSYSTEM=="block", DRIVERS=="nvme", ATTR{queue/nomerges}="1"
+
+# Increase readahead on virtio block devices
+ACTION=="add", SUBSYSTEM=="block", DRIVERS=="virtio_blk", ATTR{queue/read_ahead_kb}="4096"
+# Note virtio sets scheduler to none automatically