Cacti : Set Threshold2016/01/17

	Set Thresholds. Configure Notification Settings and Enabling Threshold Plugin before it. For example, set Thresholds to "Disk free status" on here.
[1]	Login to Cacti admin site and click "Thresholds" on the left menu and click "Add" in the right pane.

[2]	Select "Host", "Graph", "Data Source" and finally click "Create" button.

[3]	Input Thresholds for the case of Warning and case of Alert. Furthermore, select notification destination on the "Notification List" field. If All OK, Click "Save" button.

[4]	It's OK to set Thresholds for an item.

[5]	If system values are over from Thresholds, notification is sent like follows.

From cacti@dlp.srv.world  Fri Mar  5 20:30:03 2015
Content-Type: text/plain; charset="UTF-8"

An Alert has been issued that requires your attention.

Host: Localhost (127.0.0.1)
URL: http://dlp.srv.world/cacti//graph.php?local_graph_id=5&rra_id=1
Message: ALERT: Localhost - Free Space - /dev/mapper/Vol [hdd_free] [hdd_free] i
s still above threshold of 10 with
13472524

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