Benjamin Reed | 1 Jun 2009 18:03
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This Week in OpenNMS: Season 1.6, Episode 21: When It's Ready

It's time for This Week in OpenNMS. This week, we've continued work on
what will become OpenNMS 1.8.

Project Updates
---------------

- Stable: Current Release is 1.6.5

1.6.5 is the current stable release, released May 16th.  It fixes a
number of bugs, and adds a few features.  For a full list, see the
bugzilla 1.6.5 milestone.  This is a non-critical but recommended
upgrade for anyone on OpenNMS versions older than 1.6.5.

   http://tinyurl.com/opennms-165

- Unstable: Current Release is 1.7.3

1.7.3 is the current unstable release, released May 3rd.  It fixes a
number of 1.7.2 bugs, and is the first public release including the new
ACL code.  A 1.7.x overview is available in the release notes on the site.

   http://tinyurl.com/opennms-17x

- Unstable: Database Schema Management

The new LiquiBase implementation for database upgrade/install is now
live and integrated into the opennms `install` command.  It's working in
the test conditions I've been able to set up, but please, give it a shot
and let us know if you run into any issues with it.

(Continue reading)

Mario Scubla | 1 Jun 2009 18:03

snmptraps

Hello, is there any way to setup OpenNMS to catch ALL snmp traps for a 
specific host?  I'm looking to send an email on any snmptrap, rather 
than having to setup services for each trap I'm trying to catch.

Any help would be greatly appreciated.

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Les Mikesell | 1 Jun 2009 18:19
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Re: Export jrobin graphs

Daniel Lawson wrote:
> Marcus Eide wrote:
>> Hi all,
>> I'd like to export graphs from some of the .jrb files created by OpenNMS
>> and present them on a different webserver. It's a customer portal I've been
>> working on, and I figured it'll be a nice feature for my customers.
>>
>> I've been trying to find information on how this can be done, but I am way
>> too inexperienced with java/jrobin to pull it off my self. Therefore I
>> wonder if any of you maybe know how to do it? Basically I just want to use
>> a .jrb file to create a .png graph. So, if you have any thought or maybe
>> some scripts you already made, I'll be really interested!
>>   
> 
> I had to the same thing a while ago, because I needed to give users 
> visibility into only a certain set of port graphs.
> 
> The guts of my system is a script written in groovy (interpreted java, 
> basically), which I posted to the opennms wiki at  
> http://www.opennms.org/index.php/Groovy_Scripting
> 
> 
> This script is a bit basic, but it shouldn't be too hard to see where to 
> take it from there. As a note to the other poster, this script also 
> generates 95th percentiles. 

I was able to make this example work but would like to understand it 
better.  Can you point me to some documentation on how the DataProcessor 
and getPercentile part works?

(Continue reading)

Pathiakis, Paul | 1 Jun 2009 20:11
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DISK IO (UCD-SNMP MIB) ram entries?

Hi,
 
I'm monitoring a bunch of machines and after the usual suspects on the Disk IO table (UCD-SNMP MIB), I get double the corresponding number of disks listed.  That is, if I have 8 disks, I first get entries in the table of the form:
 
ram0 (index 1)
ram1 (index 2)
.
.
.
ram15 (index16)
mydisk1 (index 17)
mydisk (index 18)
.
.
.
mydisk8 (index 24)
 
These are Linux boxes.  What is causing this and how do I get rid of those first 2x ram/index entries?
 
Thank you,
 
Paul

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Daniel Lawson | 1 Jun 2009 23:33
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Re: DISK IO (UCD-SNMP MIB) ram entries?

 
I'm monitoring a bunch of machines and after the usual suspects on the Disk IO table (UCD-SNMP MIB), I get double the corresponding number of disks listed.  That is, if I have 8 disks, I first get entries in the table of the form:
 
ram0 (index 1)
ram1 (index 2)
.
.
.
ram15 (index16)
mydisk1 (index 17)
mydisk (index 18)
.
.
.
mydisk8 (index 24)
 
These are Linux boxes.  What is causing this and how do I get rid of those first 2x ram/index entries?


First of all, the root cause: Your kernel is configured with support for 16 ramdisk block devices.  If you look in /sys/block, you'll see a list of all the present block devices on your system. It's just a coincidence that there are twice as many ramdisk entries as you have disks.


If you want to recompile your kernel to avoid this, you could change the kernel config option "CONFIG_BLK_DEV_RAM=y"  to "n" instead, and recompile.  

I don't know of any other way of stopping this off the top of my head - it doesn't look like snmpd will let you filter this list.

Is it actually a problem? It will increase the number of data points you're collecting, and the number of RRDs, but unless you have a lot of servers all presenting the same set, the difference is minimal.


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Pathiakis, Paul | 1 Jun 2009 23:49
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Re: DISK IO (UCD-SNMP MIB) ram entries?

 

From: Daniel Lawson [mailto:daniel <at> meta.net.nz]
Sent: Monday, June 01, 2009 5:34 PM
To: General OpenNMS Discussion
Subject: Re: [opennms-discuss] DISK IO (UCD-SNMP MIB) ram entries?

 
I'm monitoring a bunch of machines and after the usual suspects on the Disk IO table (UCD-SNMP MIB), I get double the corresponding number of disks listed.  That is, if I have 8 disks, I first get entries in the table of the form:
 
ram0 (index 1)
ram1 (index 2)
.
.
.
ram15 (index16)
mydisk1 (index 17)
mydisk (index 18)
.
.
.
mydisk8 (index 24)
 
These are Linux boxes.  What is causing this and how do I get rid of those first 2x ram/index entries?


First of all, the root cause: Your kernel is configured with support for 16 ramdisk block devices.  If you look in /sys/block, you'll see a list of all the present block devices on your system. It's just a coincidence that there are twice as many ramdisk entries as you have disks.


If you want to recompile your kernel to avoid this, you could change the kernel config option "CONFIG_BLK_DEV_RAM=y"  to "n" instead, and recompile.  

I don't know of any other way of stopping this off the top of my head - it doesn't look like snmpd will let you filter this list.

Is it actually a problem? It will increase the number of data points you're collecting, and the number of RRDs, but unless you have a lot of servers all presenting the same set, the difference is minimal. 

 
 
I found another way, possibly, of using SNMP, via the config file to filter it out.  There's an 'ignoredisk' directive that allows wildcarding.  So... ignoredisk /dev/ram*  I'll see if this works.  (I also think I'll put down all disks and ignore all pseudo-disks like /proc /dev ...etc. )
 
Thank you for the assist.
 
P. 

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Go to: http://p.sf.net/sfu/opensolaris-get
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John Call | 2 Jun 2009 00:43

Re: DISK IO (UCD-SNMP MIB) ram entries?

This won't help immediately, but there is also a bug open (http://bugzilla.opennms.org/show_bug.cgi?id=3117) that would allow you to skip data-collection on the ramX devices.

John


On Jun 1, 2009, at 3:33 PM, Daniel Lawson wrote:

 
I'm monitoring a bunch of machines and after the usual suspects on the Disk IO table (UCD-SNMP MIB), I get double the corresponding number of disks listed.  That is, if I have 8 disks, I first get entries in the table of the form:
 
ram0 (index 1)
ram1 (index 2)
.
.
.
ram15 (index16)
mydisk1 (index 17)
mydisk (index 18)
.
.
.
mydisk8 (index 24)
 
These are Linux boxes.  What is causing this and how do I get rid of those first 2x ram/index entries?


First of all, the root cause: Your kernel is configured with support for 16 ramdisk block devices.  If you look in /sys/block, you'll see a list of all the present block devices on your system. It's just a coincidence that there are twice as many ramdisk entries as you have disks.


If you want to recompile your kernel to avoid this, you could change the kernel config option "CONFIG_BLK_DEV_RAM=y"  to "n" instead, and recompile.  

I don't know of any other way of stopping this off the top of my head - it doesn't look like snmpd will let you filter this list.

Is it actually a problem? It will increase the number of data points you're collecting, and the number of RRDs, but unless you have a lot of servers all presenting the same set, the difference is minimal.


------------------------------------------------------------------------------
OpenSolaris 2009.06 is a cutting edge operating system for enterprises
looking to deploy the next generation of Solaris that includes the latest
innovations from Sun and the OpenSource community. Download a copy and
enjoy capabilities such as Networking, Storage and Virtualization.
Go to: http://p.sf.net/sfu/opensolaris-get_______________________________________________
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innovations from Sun and the OpenSource community. Download a copy and 
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Go to: http://p.sf.net/sfu/opensolaris-get
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Gerd Mueller | 2 Jun 2009 10:37
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Re: VMware ESX datacollection

Hi Ronny!

I wonder if you should add a few values as percent. This would be make
it easier to define thresholds. But I am waiting on the wish list of our
esx guys.

Cheers,

Gerd 

-  
Gerd Mueller                    Foehrenhain 14
Tel.    +49.9171.60133          91154 Roth
Sipgate +49.9171.958315         Germany
Fax.    +49.9171.60135        
eMail   gmueller <at> it4sport.de
Key ID  6CC95F7C

Am Freitag, den 29.05.2009, 09:40 +0200 schrieb Ronny Trommer:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I have to monitor some VMware ESX servers. I played a little bit with  
> VMware MIBs and the datacollection.
> 
> My first results and some issues are documented here:
> 
> 	http://bugzilla.opennms.org/show_bug.cgi?id=3202
> 
> It would be nice to get some feedback that make OpenNMS "VMware  
> ready". I haven´t yet a more complex
> setup with Virtual Center and so i can´t test some issues like VMotion  
> etc.
> 
> During the work with the MIBs i have seen a lot of interesting  
> informations. It was very nice to see some vm-instance
> informations running on your ESX, like the routing/STP-informations on  
> the node-detail page.
> 
> Ideas, hints very welcome
> 
> 
> 
> - --
> Ronny Trommer (Germany)
> Web: http://www.open-factory.org
> IRC: irc.freenode.org - #opennms
> 
> PGP key: 7ED9 1A00 0BD9 EB84 9F63  5808 B1BC E829 E383 98A0
> Keyserver: keyserver.pgp.com
> 
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.8 (Darwin)
> 
> iEYEARECAAYFAkofkYoACgkQsbzoKeODmKC94wCbBKnmPjEuBG4cX4rzFtb2WghY
> qvAAn15hZMDhoDdOdPWoULk0WL/peN4F
> =6Rxu
> -----END PGP SIGNATURE-----
> 
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> iPhoneDevCamp as they present alongside digital heavyweights like Barbarian 
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Ronny Trommer | 2 Jun 2009 11:46

Re: VMware ESX datacollection


Hi Gerd,

Can you add a comment in enhancement bug, then I or everything else
can fix it.

Thx thats exactly the feedback I´m looking for :)

On Jun 2, 2009, at 10:37 AM, Gerd Mueller wrote:

> Hi Ronny!
>
> I wonder if you should add a few values as percent. This would be make
> it easier to define thresholds. But I am waiting on the wish list of  
> our
> esx guys.

Michael Seibold | 2 Jun 2009 12:54
Picon

Antw: Re: What Is The Best Way To MonitorEthernet Ports?

Hi,

one solution to both questions (monitoring ethernet interfaces / cisco
modules) might be to
- configure data collection for ifOperStatus (I think there is
something similar for cisco modules) anf ifType=6 (Ethernet)
- configure a threshold for this collection. ifOperStatus should be an
integer, 1 = up, 2 = down. Threshold for ifOperStatus > 1 will trigger
if interface is down.
- more sophisitcated: configure also data collection for ifAdminStatus,
1 = up, 2 = down. Normally you don't want alarms for admin down
interfaces, so you might use a computed threshold (didn't do this up to
know, but tell me if it works ;-)) using something like
(2-ifAdminStatus) * ifOperStatus. This should be zero for
ifAdminStatus=down (2), 1 for admin/oper = up/up, 2 for up/down, so the
same threshold like above would be appropriate.

Another solution is to search the doku and the mailing list. I think
there was a mail mentioning that Antonio wrote some snmp status monitor
for this type of issue. Let me know when you find a solution, I have to
do the same thing the next days.

- Michael

>>> Dark Neko <dark.neko <at> gmail.com> 29.05.2009 20:57 >>>
hello,

on a somewhat related note, one thing I would love to see is a way to 
actively poll the modules status of cisco devices

has anyone managed that yet with opennms?

Silas Moeckel a écrit :
> Traps + polling traps get you real time but might get lost somewhere.

> Polling fills in that gap so you get sub second notification if
things 
> work correctly or your polling period + timeout in the worst case. AS

> you get bigger polling does not scale well so you end up adjusting
your 
> polling period up to not overload your NMS or gear.
>
> Silas
>
> Aaron Leach wrote:
>   
>> Hello,
>>
>> I have been researching how to monitor interfaces/ports that have no

>> IP address associated with them. We are monitoring Alcatel switches,

>> all ports are switch ports with no IP addresses associated with
them. 
>> What is the best way to monitor these ports? We need real time
checks. 
>> Is it better to get the trap when the port goes down and then
process 
>> a notification on that? Or is it better to poll devices’ ports
using 
>> the port OID for status?
>>
>> Aaron Leach
>>
>> Network Engineer
>>
>>
------------------------------------------------------------------------
>>
>>
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>> is a gathering of tech-side developers & brand creativity
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>> the minds behind Google Creative Lab, Visual Complexity, Processing,
& 
>> iPhoneDevCamp as they present alongside digital heavyweights like
Barbarian 
>> Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com

>>
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>>
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>>
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>
>
>
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> iPhoneDevCamp as they present alongside digital heavyweights like
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Gmane