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Monitor Remaining Disk Space

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Does PRTG have a sensor that allows it to monitor the remaining disk space?

I'm monitoring a few virtual machines and I'd like to see how much remaining free space each of them have so we can adjust it when its almost full. Thank you

disk-free free-disk-space prtg

Created on Dec 4, 2020 4:09:06 PM by  moonandstars (0) 1 1



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Hello,

Thank you for your message.

Indeed, PRTG do have many native sensors to get that information from many different devices. Please, have a look to our sensors list right here: https://www.paessler.com/manuals/prtg/available_sensor_types

Here are two generic sensors used to get the disk space left:

If you have further questions, let us know.

Kind regards.

Created on Dec 7, 2020 8:47:21 AM by  Florian Lesage [Paessler Support]



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go with the SNMP and just don't use WMI unless you have a specific need SNMP will not provide, edit the channel limits o the sensor to set the value where you want to receive a warning or alarm to whatever you like

Created on Dec 8, 2020 11:52:46 PM by  aj (20) 1



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I will be monitoring a linux virtual machine, is there anything else I need to install on the virtual machine before I can get it to work?

I'm only seeing an error code on the sensor "-2003"

Created on Dec 14, 2020 5:28:11 PM by  moonandstars (0) 1 1



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Hello,

To be able to monitor your Linux virtual machines, you have to install and configure SNMP on them. Then, in PRTG make sure that the SNMP credentials of these devices are properly configured.

Kind regards.

Created on Dec 15, 2020 8:07:15 AM by  Florian Lesage [Paessler Support]

Last change on Dec 15, 2020 8:07:53 AM by  Florian Lesage [Paessler Support]



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How can I fix this error? It shows SNMP error # 222

I added SNMP Linux Disk Free sensor, and I also installed snmp on my linux device

Created on Jan 27, 2021 8:45:26 PM by  moonandstars (0) 1 1

Last change on Jan 28, 2021 6:40:07 AM by  Florian Lesage [Paessler Support]



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Hello,

Can you please execute a Read Device Uptime request with SNMP Tester, from the probe server on which the Linux device is configured. What result do you get?

Please, also execute a Walk on the OIDs "1.3.6.1.4.1.2021.4" / "1.3.6.1.4.1.2021.9", and then provide us the output of the requests.

Regards.

Created on Jan 28, 2021 8:11:37 AM by  Florian Lesage [Paessler Support]

Last change on Jan 28, 2021 8:13:14 AM by  Florian Lesage [Paessler Support]



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This is the result of the Read Device Uptime

----------------------- New Test -----------------------
Paessler SNMP Tester - 20.2.4 Computername: USER-PC Interface: (25.99.117.47, 192.168.86.1, 192.168.50.1, 10.1.31.87)
1/28/2021 9:34:19 AM (4 ms) : Device: 10.1.31.251
1/28/2021 9:34:19 AM (7 ms) : SNMP v1
1/28/2021 9:34:19 AM (11 ms) : Uptime
1/28/2021 9:34:21 AM (2031 ms) : SNMP Datatype: ASN_UNIVERSAL
1/28/2021 9:34:21 AM (2033 ms) : -------
1/28/2021 9:34:21 AM (2035 ms) : DISMAN-EVENT-MIB::sysUpTimeInstance = No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003) ( 0 seconds )
1/28/2021 9:34:23 AM (4047 ms) : SNMP Datatype: ASN_UNIVERSAL
1/28/2021 9:34:23 AM (4049 ms) : HOST-RESOURCES-MIB::hrSystemUptime.0 = No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003) ( 0 seconds )
1/28/2021 9:34:23 AM (4050 ms) : Done

Walk on the OIDs 1.3.6.1.4.1.2021.4

----------------------- New Test -----------------------
Paessler SNMP Tester - 20.2.4 Computername: USER-PC Interface: (25.99.117.47, 192.168.86.1, 192.168.50.1, 10.1.31.87)
1/28/2021 9:35:33 AM (3 ms) : Device: 10.1.31.251
1/28/2021 9:35:33 AM (7 ms) : SNMP v1
1/28/2021 9:35:33 AM (10 ms) : Walk 1.3.6.1.4.1.2021.4
1/28/2021 9:35:39 AM (6061 ms) : Error: -2003

Walk on the OIDs 1.3.6.1.4.1.2021.9

---------------------- New Test -----------------------
Paessler SNMP Tester - 20.2.4 Computername: USER-PC Interface: (25.99.117.47, 192.168.86.1, 192.168.50.1, 10.1.31.87)
1/28/2021 9:36:12 AM (8 ms) : Device: 10.1.31.251
1/28/2021 9:36:12 AM (12 ms) : SNMP v1
1/28/2021 9:36:12 AM (16 ms) : Walk 1.3.6.1.4.1.2021.9
1/28/2021 9:36:18 AM (6053 ms) : Error: -2003

Created on Jan 28, 2021 3:36:34 PM by  moonandstars (0) 1 1

Last change on Jan 29, 2021 6:47:45 AM by  Florian Lesage [Paessler Support]



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Hello,

Thank you for the results. According to them, there is a configuration issue on your Linux device and therefore it doesn't return any response to the SNMP requests made.

Please, check the version of SNMP used, the community name and the configuration of SNMP on your Linux device. You will find many tutorial on internet regarding that matter, depending on the distribution you are using.

Regards.

Created on Jan 29, 2021 6:52:01 AM by  Florian Lesage [Paessler Support]

Last change on Jan 29, 2021 6:52:21 AM by  Florian Lesage [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.