Munin plugin for monitoring various Areca RAID cards via the official cli64 utility
arcmsr modules must be loaded in the kernel
Install Areca cli64 utility (https://www.areca.com.tw/support/downloads.html) and add it to your $PATH
Verify cli64 works with the command cli64 hw info
Place in /usr/share/munin/plugins, then create symlinks named areca_temp and areca_volt to it from /etc/munin/plugins.
Edit /etc/munin/plugin-conf.d/munin-node and add:
[areca*]
user root
Optionally, if you want to exclude unused ports from showing up in the graph add
env.ignore_tempxx y
Where xx is the number of the port you want to exclude.
Reload munin config with sudo service munin-node restart
Verify the plugin is working by running sudo munin-run areca_temp and sudo munin-run areca_volt