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title: Monitors temperature of HDDs using S.M.A.R.T
agents: snmp
author: Benjamin Odenthal <benjamin.odenthal@tuxclouds.org>, Lars Michelsen <lm@mathias-kettner.de>
license: GPL
distribution: check_mk
description:
 This check monitors the temperature of HDDs using the information reported by
 S.M.A.R.T. This check works only for HDDs which report the value {Temperature_Celsius}
 via {smartctl -A <device>}.

 The check uses information provided by the Check_MK linux agent which are available when the agent
 has been extended with the {smart} agent plugin.

 The original check has been created by Benjamin Odenthal and provided on Check_MK exchange and
 improved, integrated and documented by Lars Michelsen.

inventory:
 All devices reported by smartctl which support the temperature value are
 automatically inventorized. One service is being created for each HDD.

item:
 The device name. Example: {/dev/sda}

perfdata: 
 One variable: the current temperature in degrees celsius.

examples:
 # Set the warning threshold to 40 and critical to 50 degrees celsius.
 smart_temp_default_levels = (35, 40)

[parameters]
warning (int): The degrees celsius to trigger a WARNING state
critical (int): The degrees celsius to trigger a CRITICAL state