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Forum Discussion
snmp issue with 6.6.0
Since upgrading to 6.6.0 I'm no longer able to monitor disk usage using snmp. I've been using cacti to graph my 312 for the last 2 years. The system disk and the two disk in the NAS no longer app...
There is something strange going on here. I have given Netgear the benfit of doubt and loaded the MIB file that came with the 6.6.0 firmware update.
After executing snmpwalk -c **** -v2c -m "READYNASOS-MIB.txt" ip_address_of_netgear I still was only able to see the following paths
RFC1213-MIB::mib-2.25.2.3.1.3.33 = STRING: "/"
RFC1213-MIB::mib-2.25.2.3.1.3.36 = STRING: "/dev/shm"
RFC1213-MIB::mib-2.25.2.3.1.3.37 = STRING: "/run"
RFC1213-MIB::mib-2.25.2.3.1.3.38 = STRING: "/run/lock"
RFC1213-MIB::mib-2.25.2.3.1.3.39 = STRING: "/sys/fs/cgroup"
RFC1213-MIB::mib-2.25.2.3.1.3.56 = STRING: "/media/USB_HDD_5"
RFC1213-MIB::mib-2.25.2.3.1.3.57 = STRING: "/run/nfs4/media/USB_HDD_5"
This aligns with a standard SNMP Walk without the MIB File
HOST-RESOURCES-MIB::hrStorageDescr.1 = STRING: Physical memory
HOST-RESOURCES-MIB::hrStorageDescr.3 = STRING: Virtual memory
HOST-RESOURCES-MIB::hrStorageDescr.6 = STRING: Memory buffers
HOST-RESOURCES-MIB::hrStorageDescr.7 = STRING: Cached memory
HOST-RESOURCES-MIB::hrStorageDescr.8 = STRING: Shared memory
HOST-RESOURCES-MIB::hrStorageDescr.10 = STRING: Swap space
HOST-RESOURCES-MIB::hrStorageDescr.33 = STRING: /
HOST-RESOURCES-MIB::hrStorageDescr.36 = STRING: /dev/shm
HOST-RESOURCES-MIB::hrStorageDescr.37 = STRING: /run
HOST-RESOURCES-MIB::hrStorageDescr.38 = STRING: /run/lock
HOST-RESOURCES-MIB::hrStorageDescr.39 = STRING: /sys/fs/cgroup
HOST-RESOURCES-MIB::hrStorageDescr.56 = STRING: /media/USB_HDD_5
HOST-RESOURCES-MIB::hrStorageDescr.57 = STRING: /run/nfs4/media/USB_HDD_5
I have attached 3 USB Storage Devices which I can see only 1 and I'm also missing the main Partion on the RAID
I'm not sure if this is deliberate to prevent NMS from accessing the appropriate data, but there has certainly been a change or introduced bug
How to use SSH to monitor your Netgear NAS
For full disclosure, I'm a PreSales Engineer for Paessler AG in the APAC region. Paessler develops a Network Monitoring Solution called PRTG Network Monitor - https://www.paessler.com/
You can download the trial version, which converts to a 100 Sensor Freeware version after 30 days (100 sensors @ 10 devices).
I was able to see all me disks by using the SSH Disk Free Sensor - https://www.paessler.com/manuals/prtg/ssh_disk_free_sensor as illustrated below; (you will need to ensure that SSH is enables on the NAS)
Hopefully this will be a work around until the missing OIDs have been returned.
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