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Subject:	Personally, I think SNMP is
Author:	Jane Curry
Posted:	2017-02-02 05:55

Personally, I think SNMP is great. Old, klunky, low-level - but it is standard and it works.

I have also had trouble with AIX snmp agents in the past. IBM was always a little non-conformist in this area, though I thought latterly they eventually shipped the net-snmp agent like the rest of the world.

I would start with some basic snmpwalk commands from a command-line window on your Zenoss server to establish what SNMP version and community name to use and to explore what SNMP OIDs really are available. So for host aix1, using SNMP Version 2c, with a community name of public, use:

snmpwalk -v2c -c public aix1 system

Among other things, this should tell you the agent that is being run on the target system, like:

SNMPv2-MIB::sysDescr.0 = STRING: Linux core519 3.10.0-327.36.3.el7.x86_64 #1 SMP Mon Oct 24 16:09:20 UTC 2016 x86_64
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10

The "system" on the end of the snmpwalk command says to just get the MIB-2 system variables. Next, I would use the same command but get everything - so leave off the "system" and I would redirect the output to a file as there may be lots of it:

snmpwalk -v2c -c public aix1 > /tmp/aix1.out

If you need to see the actual, dotted-decimal OID stuff, use the -O n parameter:

snmpwalk -v2c -c public -O n aix1 > /tmp/aix1.out_oid

That will help you compare what your target device supports with OIDs that are in performance templates.

Do you want to make a start with that and continue the discussion here

Cheers,

Jane

Email: jane.curry@skills-1st.co.uk    Web: https://www.skills-1st.co.uk

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Subject:	Hi Jane, thanks for always
Author:	Shea Johnson
Posted:	2017-02-03 12:19

Hi Jane, thanks for always being so helpful. What I meant about not having optimal setup was about having an older version of Zenoss Core. SNMP works for me and on the AIX systems Im working on, Im running v2c. I do see the file system information listed as part of the HOST-RESUORCES-MIB which is what bothers me. Isnt the point of the HRFileSystemMap modular plugin to pull that information and populate it in the components tab of each modeled system What my predecessor was doing was feeding in the results of a df as part of an SNMP extension. I was just hoping to figure out why Zenoss wasnt picking up information like file systems automatically when it was being modeled.

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Subject:	Jane,
Author:	Shea Johnson
Posted:	2017-02-16 16:12

Jane,

Ive figured a few more things out when it comes to my modeling AIX issue. I had thought that the problem was within the HRFileSystemMap modular plugin, but after I removed all the ignore file system types, it modeled a few things for me. I then took a closer look at the output of the HOST-RESOURCE-MIB and saw that my AIX machines did not output any network for fixed disks in the hrStorageType field, but RAM and virtual memory were listed. So it looks like AIX is not feeding those disks into SNMP for me. I found what looks like a bug in net-snmp on AIX that looks to be what Im dealing with. More info can be found here https://sourceforge.net/p/net-snmp/bugs/2390/page=1. I wont be able to test the fix action out until I get some downtime on the server though. Hopefully this fixes it.