From 47d62e18357b8697a1e1f1e01c5617247ec5e69d Mon Sep 17 00:00:00 2001 From: Tom Hughes Date: Mon, 23 May 2016 14:41:01 +0100 Subject: [PATCH] Enable request merging for NVMe devices --- roles/dulcy.rb | 9 +++++++++ roles/karm.rb | 13 +++++++++++++ 2 files changed, 22 insertions(+) diff --git a/roles/dulcy.rb b/roles/dulcy.rb index ef153a918..50e4d3b2d 100644 --- a/roles/dulcy.rb +++ b/roles/dulcy.rb @@ -60,6 +60,15 @@ default_attributes( :max_children => "10" } } + }, + :sysfs => { + :md_tune => { + :comment => "Enable request merging for NVMe devices", + :parameters => { + "block/nvme0n1/queue/nomerges" => "1", + "block/nvme1n1/queue/nomerges" => "1" + } + } } ) diff --git a/roles/karm.rb b/roles/karm.rb index 42b2e436a..6d2f15e79 100644 --- a/roles/karm.rb +++ b/roles/karm.rb @@ -12,6 +12,19 @@ default_attributes( :hwaddress => "0c:c4:7a:a3:aa:ac" } } + }, + :sysfs => { + :md_tune => { + :comment => "Enable request merging for NVMe devices", + :parameters => { + "block/nvme0n1/queue/nomerges" => "1", + "block/nvme1n1/queue/nomerges" => "1", + "block/nvme2n1/queue/nomerges" => "1", + "block/nvme3n1/queue/nomerges" => "1", + "block/nvme4n1/queue/nomerges" => "1", + "block/nvme5n1/queue/nomerges" => "1" + } + } } ) -- 2.43.2