SNMP to read temperatures

    • SNMP to read temperatures

      Hi,
      when I install the SNMP Plugin I get:

      Preparing to unpack .../openmediavault-snmp_4.0.4-1_all.deb ...
      Unpacking openmediavault-snmp (4.0.4-1) ...
      Setting up openmediavault-snmp (4.0.4-1) ...
      Updating service units ...
      Updating configuration database ...
      Updating configuration ...
      Processing triggers for openmediavault (4.1.23-1) ...
      Updating locale files ...
      Updating file permissions ...
      Purging internal cache ...
      Restarting engine daemon ...
      Exception ignored in: <function WeakValueDictionary.__init__.<locals>.remove at 0x7fe11b7b97b8>
      Traceback (most recent call last):
      File "/usr/lib/python3.5/weakref.py", line 117, in remove
      TypeError: 'NoneType' object is not callable
      Exception ignored in: <function WeakValueDictionary.__init__.<locals>.remove at 0x7fe11b7b97b8>
      Traceback (most recent call last):
      File "/usr/lib/python3.5/weakref.py", line 117, in remove
      TypeError: 'NoneType' object is not callable
      Done ...

      Is this a problem?

      After enabling SNMP v3, I can use snmpwalk to walk he tree. But lm-sensors and SMART sensors are missing.
      How can I get CPU and HDD temperatur via SNMP?

      Thanks
      Christian
    • Where can I see which OIDs are available or required for my system?
      I looked into /usr/share/snmp/mibs/LM-SENSORS-MIB.txt, but couldn't find any OIDs.

      The board is quite standard, a supermicro PDSM4 with intel 3010 chipset, ICH7R south bridge and xeon X3220. sensors reports
      coretemp-isa-0000
      Adapter: ISA adapter
      Core 0: +44.0°C (high = +82.0°C, crit = +100.0°C)
      Core 1: +44.0°C (high = +82.0°C, crit = +100.0°C)
      Core 2: +42.0°C (high = +82.0°C, crit = +100.0°C)
      Core 3: +43.0°C (high = +82.0°C, crit = +100.0°C)


      Is it necessary to install something additionally to report SMART values via SNMP or should it just work out of the box?
    • As I keep saying, it's all about the MIBs. You should read up on how SNMP works and then get a hold of the MIB file you need to make this work. Your board vendor should be able to help.

      net-snmp.sourceforge.net/wiki/…UT:Using_and_loading_MIBS

      supermicro.com/products/accessories/software/SNMP.cfm
      --
      Google is your friend and Bob's your uncle!

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