PRTG Manual: NetApp System Health Sensor
This sensor is in beta status. The operating methods and the available settings can change at any time. Do not expect that all functions work properly, or that this sensor works as expected at all. Be aware that this sensor can be removed from PRTG at any time.
To use this sensor, enable the Beta Sensors experimental feature of PRTG. For more information, see the Knowledge Base: What are beta sensors and how can I use them?
The NetApp System Health sensor monitors the health of a node of a NetApp storage cluster via the Representational State Transfer (REST) application programming interface (API) using ONTAP 9.6 or later.
This sensor was converted to a new framework so that it will continue to function after the changes of the ONTAP REST API. This sensor now requires credentials for NetApp in settings that are higher in the object hierarchy, for example, in the settings of the parent device.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
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- This sensor requires credentials for NetApp in settings that are higher in the object hierarchy, for example, in the settings of the parent device.
- This sensor supports ONTAP as of version 9.6. If you want to use NetApp cDOT as of version 8.3 or ONTAP from version 9.0 to version 9.5, use the NetApp System Health sensor (v1) instead.
- This sensor supports the IPv6 protocol.
- This sensor has a very low performance impact.
- This sensor uses lookups to determine the status values of one or more channels. This means that possible states are defined in a lookup file. You can change the behavior of a channel by editing the lookup file that the channel uses. For details, see section Define Lookups.
The Add Sensor dialog appears when you manually add a new sensor to a device. It only shows the settings that are required to create the sensor. Therefore, you do not see all settings. You can change nearly all settings on the sensor's Settings tab after creation.
The settings that you select in the Add Sensor dialog are valid for all sensors that you create when you finish the dialog.
Setting |
Description |
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Node Name |
Select the nodes that you want to monitor. PRTG creates one sensor for each system node that you select.
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Click the Settings tab of a sensor to change its settings.
Setting |
Description |
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Sensor Name |
Enter a meaningful name to identify the sensor. |
Parent Tags |
Shows tags that the sensor inherits from its parent device, parent group, and parent probe.
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Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, the Enter key, or a comma. You can use tags to group objects and use tag-filtered views. Tags are not case sensitive. Tags are automatically inherited.
The sensor has the following default tags:
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Priority |
Select a priority for the sensor. The priority determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Usually, a sensor connects to the IP Address/DNS Name of the parent device. See the device settings for details. For some sensors, you can explicitly define the monitoring target in the sensor settings.
NetApp Specific
Setting |
Description |
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Node Name |
Shows the name of the node that this sensor monitors.
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Setting |
Description |
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Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available.
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Graph Type |
Define how to display channel graphs:
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Stack Unit |
This setting is only visible if you select Stack channels on top of each other as Graph Type. Select a unit from the list. PRTG stacks all channels with this unit on top of each other. By default, you cannot exclude single channels from stacking if they use this unit. However, there is an advanced procedure to do so. |
Setting |
Description |
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Result Handling |
Define what PRTG does with the sensor result:
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By default, all of the following settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
Click to disable the inheritance.
Setting |
Description |
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Scanning Interval |
Select a scanning interval from the dropdown list. The scanning interval determines the amount of time that the sensor waits between two scans. Choose from:
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If a Sensor Query Fails |
Select the number of scanning intervals that the sensor has time to reach and to check a device again if a sensor query fails. Depending on the option that you select, the sensor can try to reach and to check a device again several times before the sensor shows the Down status. This can avoid false alarms if the monitored device only has temporary issues. For previous scanning intervals with failed requests, the sensor shows the Warning status. Choose from:
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Schedules, Dependencies, and Maintenance Windows
You cannot disable the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
Setting |
Description |
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Schedule |
Select a schedule from the list. You can use schedules to monitor during a certain time span (days or hours) every week. Choose from:
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Maintenance Window |
Select if you want to set up a one-time maintenance window. During a maintenance window, monitoring stops for the object and all child objects. They show the Paused status instead. Choose between:
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Maintenance Begins |
This setting is only visible if you select Set up a one-time maintenance window above. Use the date time picker to enter the start date and time of the one-time maintenance window. |
Maintenance Ends |
This setting is only visible if you select Set up a one-time maintenance window above. Use the date time picker to enter the end date and time of the one-time maintenance window. |
Dependency Type |
Select a dependency type. You can use dependencies to pause monitoring for an object depending on the status of a different object. You can choose from:
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Dependency |
This setting is only visible if you enable Select a sensor above. Click |
Dependency Delay (Sec.) |
This setting is only visible if you select Select a sensor above. Define a time span in seconds for the dependency delay. After the master sensor for this dependency returns to the Up status, PRTG additionally delays the monitoring of the dependent objects by the time span you define. This can prevent false alarms, for example, after a server restart or to give systems more time for all services to start. Enter an integer value.
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Click to disable the inheritance.
Setting |
Description |
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User Group Access |
Define the user groups that have access to the sensor. You see a table with user groups and group access rights. The table contains all user groups in your setup. For each user group, you can choose from the following group access rights:
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Click to disable the inheritance.
Which channel units are available depends on the sensor type and the available parameters. If no configurable channels are available, this field shows No configurable channels.
Setting |
Description |
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Channel Unit Types |
For each type of channel, select the unit in which PRTG displays the data. If you define this setting on probe, group, or device level, you can inherit these settings to all sensors underneath. You can set units for the following channel types (if available):
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Which channels the sensor actually shows might depend on the monitored device, the available components, and the sensor setup.
Channel |
Description |
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Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status in percent. |
Failed PSUs |
The number of failed power supplies with a predefined upper error limit (0) |
Node Health |
The node health
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Spare Disks Available |
The number of spare disks with a predefined lower warning limit (2) and lower error limit (1) |
Spare Size Usable |
The usable spare size in bytes |
Temperature State |
The temperature status
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Uptime |
The uptime in days |
Knowledge Base
What are beta sensors and how can I use them?
What do I need to know about beta sensors?
What security features does PRTG include?
For more information about sensor settings, see the following sections: