From b27880aa77481db69a4594657a832cfd6ba8a2f4 Mon Sep 17 00:00:00 2001
From: Sam Yaple <sam@yaple.net>
Date: Sun, 18 Oct 2015 20:34:17 +0000
Subject: Automate setting up a cache tier

Introduces a new flag to bootstrap cache devices

DocImpact
Partially-Implements: blueprint ceph-improvements

Change-Id: I09b5a0d5c61b3465237e5f01dc10120725561cd3
---
 etc/kolla/globals.yml | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'etc')

diff --git a/etc/kolla/globals.yml b/etc/kolla/globals.yml
index 1a078295d..cdb7c1711 100644
--- a/etc/kolla/globals.yml
+++ b/etc/kolla/globals.yml
@@ -89,6 +89,12 @@ neutron_external_interface: "eth1"
 ###################
 # Ceph options
 ###################
+# Ceph can be setup with a caching to improve performance. To use the cache you
+# must provide seperate disks than those for the OSDs
+# ceph_use_cache: "no"
+# Valid options are [ forward, none, writeback ]
+# ceph_cache_mode: writeback
+
 # A requirement for using the erasure-coded pools is you must setup a cache tier
 # Valid options are [ erasure, replicated ]
 # ceph_pool_type: "replicated"
-- 
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