Added support for rrdtool 1.5

doc/Extensions/RRDCached.md

@@ -6,19 +6,19 @@ This document will explain how to setup RRDCached for LibreNMS.
 This example is based on a fresh LibreNMS install, on a minimimal CentOS installation.
 In this example, we'll use the Repoforge repository.
 
-```ssh
+```php
 rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
 vi /etc/yum.repos.d/rpmforge.repo
 ```
 - Enable the Extra repo
 
-```ssh
+```php
 yum update rrdtool
 vi /etc/yum.repos.d/rpmforge.repo 
 ```
 - Disable the [rpmforge] and [rpmforge-extras] repos again
 
-```ssh
+```php
 vi /etc/sysconfig/rrdcached
 
 # Settings for rrdcached
@@ -34,6 +34,13 @@ service rrdcached start
 ```
 
 Edit config.php to include:
-```ssh
+```php
 $config['rrdcached']    = "unix:/var/run/rrdcached/rrdcached.sock";
 ```
+
+> If you are using rrdtool / rrdcached version 1.5 or above then this now supports creating rrd files over rrdcached. To 
+enable this set the following config:
+
+```php
+$config['rrdtool_version'] = 1.5;
+```