Nagios Support Forum

Posted: **Mon Dec 09, 2019 2:53 am**

Not able to add disks for monitoring and also getting the error on existing disks "The node (/mnt/disk path) requested does not exist. You may be trying to access the '/' node." I have attached a screenshot for the same.

Posted: **Mon Dec 09, 2019 9:25 am**

Can you show us one of the failing checks run from the command line, along with the output of it?

Posted: **Tue Dec 10, 2019 2:57 am**

I am running the below command from the nagios server for our host for which I am getting disk monitoring error.

root@server:~# /usr/local/nagios/libexec/check_ncpa.py -H 10.XX.XX.XX -t 'XXXXXX' -P 5693 -M 'disk/logical/|mnt|path' -w 85 -c 90
The node (/mnt/path) requested does not exist. You may be trying to access the '/' node.

Posted: **Tue Dec 10, 2019 9:24 am**

Can nagios user see these mounts? Run the following commands on the client (remote machine), and show the output:

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su - nagios
mount

Also, try the following:

1. Open the ncpa.cfg file in a text editor, and comment out this line:

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exclude_fs_types = aufs,autofs,binfmt_misc,cifs,cgroup,configfs,debugfs,devpts,devtmpfs,encryptfs,efivarfs,fuse,fusectl,hugetlbfs,mqueue,nfs,overlayfs,proc,pstore,rpc_pipefs,securityfs,selinuxfs,smb,sysfs,tmpfs,tracefs

Example:

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# exclude_fs_types = aufs,autofs,binfmt_misc,cifs,cgroup,configfs,debugfs,devpts,devtmpfs,encryptfs,efivarfs,fuse,fusectl,hugetlbfs,mqueue,nfs,overlayfs,proc,pstore,rpc_pipefs,securityfs,selinuxfs,smb,sysfs,tmpfs,tracefs

2. Add a new line below it:

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exclude_fs_types = none

3. Save, exit and restart ncpa_listener:

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service ncpa_listener restart

Did this help? Can you see the disks when you run your check from the CLI on the Nagios XI server?

Can you also run the following commands from the command line on the Nagios XI server, and show the output?

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/usr/local/nagios/libexec/check_ncpa.py -V
/usr/local/nagios/libexec/check_ncpa.py -H <client ip> -P 5693 -t <token> -M 'system/agent_version'

where you substitute <client ip> and <token> with actual values.

Posted: **Wed Dec 11, 2019 12:39 am**

Thanks my issue has been resolved now.

Posted: **Wed Dec 11, 2019 8:25 am**

Great! I will be closing this topic now. If you have any further questions/issues, please start a new thread.

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