Thanks for your advice. I understand now that the standard way is deal
with non-standardness.
The expression that I showed yesterday now works, and I've added
others which also work:
HDiskUtilUnix \
"dskPercent" \
.1.3.6.1.4.1.2021.9.1.9.
ProcLivenessUnix \
"prErrorFlag" \
.1.3.6.1.4.1.2021.2.1.100.
and more...
But now I need to get more info about what exactly crossed the
threshold. For example, I obtain messages like this:
1117091297 0 Thu May 26 09:08:17 2005 netview.carreras.sa D
HDiskUtilUnix 4 threshold exceeded (>90.00): 100.00 HDiskUtilUnix 4
I don't know what exactly is that "partition 4" until I do a snmpwalk:
.iso.org.dod.internet.private.enterprises.ucdavis.dskTable.dskEntry.dskPath.4
= STRING: /dev/pts
I would like to get a more detailed message on the event. How this can
be done? I need a way to attach another OID(usually a description
string) to the event.
Thanks, again.
2005/5/26, Leslie Clark <lclark AT us.ibm DOT com>:
>
> You are off to a great start. Now you just need to find some mib variables
> that the servers you are monitoring can respond to. They will probably be
> proprietary. The MIB-II structure was designed with network equipment in
> mind, not servers. So there really isn't a standard way of providing that
> information. Well, there is a standard, and you tried that, but you know how
> server software vendors are. They have to be different, and try to become
> the defacto standard. I suspect that nagios was using a variety of different
> mib variables inside the various plugins. No plugins here, but the people
> on this list can probably tell you which mibs they use for different kinds
> of servers. You should also search the archives of this list, because this
> subject comes up regularly.
> http://lists.skills-1st.co.uk/mharc/html/nv-l/
>
> Some basic guidance:
>
> The basic SNMP that comes with Microsoft operating systems won't know much
> besides its own name. When it is configured on the servers, the admin needs
> to 'check all the boxes' to get more of the MIB-II information (address
> tables, etc). Beyond that, most customers I've visited have something
> running on them, like Dell OpenManage, or IBM Director. These management
> agents have SNMP subagents. They know about RAID and all that. They even
> have some mibs in common.
>
> In the Mib Browser, you can pull the MIB-II mgmt hosts branch and see if
> your intended target servers know anything about that. They might,or they
> might not. Then take a walk under the private branch. They may know a lot in
> that area if they have one of those agents on them. Next you will want to
> find the mib files that turn all of those dotted decimal identifiers to
> words, so you know what they are. The mib files are probably on the CDs that
> the management agents came on, and may even be loaded on the target servers
> somewhere. They are also generally available from mibdepot.com. That's a
> really useful, if hard to navigate, website. So next you will be reading up
> on loading mibs.
>
> You will find that different kinds of servers have different capabilities
> when it comes to reporting their status. You might make good use of
> Smartsets to define groups of the same type. When you define data collection
> and thresholding, you can use one mib expression for one Smartset and
> another mib expression for another Smartset.
>
>
> Cordially,
>
> Leslie A. Clark
> IBM Global Services - Systems Mgmt & Networking
> (248) 552-4968 Voicemail, Fax, Pager
>
>
>
>
> Samuel Moñux <smonux AT gmail DOT com>
> Sent by: owner-nv-l AT lists.us.ibm DOT com
>
> 05/25/2005 12:33 PM
>
> Please respond to
> nv-l
>
>
> To nv-l AT lists.us.ibm DOT com
>
> cc
>
> Subject [nv-l] Disk and load monitoring on Linux and Windows Servers
>
>
>
>
>
> Hi everyone,
>
> I'm starting the deployment (planning the deployment to be more
> accurate) of Tivoli Netview in an mixed environment of Linux, OpenBSD
> and Windows servers, Cisco routers and switches, and RadioFrequency
> terminals and antennas.
>
> Due my lack of expertise with "true" NMS's, I'm trying to reach with
> Netview the same level of functionality that Nagios has given us by
> now, and in subsequent iterations I'll explore all the power of
> Netview.
>
> So, I have installed Tivoli Netview on an Suse Linux Enterprise Server
> 9, readed (most of) the Unix Administrator's guide and done some basic
> setup.
>
> Just now I'm trying to get notifications of high levels of load and
> disk usage. Theorically, doesn't seem too difficult. I've added this
> expression on mibExpr.conf
>
> HDiskUtil \
> "(hrStorageUsed / hrStorageSize) * 100" \
> .1.3.6.1.2.1.25.2.3.1.6. \
> .1.3.6.1.2.1.25.2.3.1.5. / \
> 100 *
>
> and using the Motif GUI, this to snmpCol.conf
>
> MIB HDiskUtil HDiskUtil units EXPRESSION R
> O Servidores_windows 60 90.000000 90.000000 A s 58720263 LIST 0
>
> This doesn't work on Windows boxes and don't know why. But, it's
> worse. Linux and OpenBSD boxes doesn't have hrStorageUsed at all on
> their mib-2 tree. To get diskusage relevant OID's I have to look under
> enterprises.ucdavis.
>
> So, I'm a bit disoriented, Which is the "standard" way of deal with
> net-snmp and Window implementations?. I'm specially interested on get
> notifications of load, disk usage, and vital processes liveness.
>
> Sorry if my question is too simplistic. I'll read any documentation
> you point me at. I'm avid of detailed docs.
>
> Thanks in advance,
>
> Samuel
>
>
>
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