Nagvis alternatives

Alex Dehaini alexdehaini at gmail.com
Fri Sep 5 11:23:03 CEST 2008


Apart from nexsm, are there others?

Lex

On Thu, Sep 4, 2008 at 7:58 AM, Alex Dehaini <alexdehaini at gmail.com> wrote:

> thanks mate, good overview. I have had the same issues with nagvis, it
> crashing every now and then; ndo2db issues. I will give nexsm a try. Please
> be expecting emails from me about nexsm, lol.
>
> thanks again
>
> Lex
>
>
> On Wed, Sep 3, 2008 at 11:45 PM, Israel Brewster <
> israel at frontierflying.com> wrote:
>
>>  On Sep 3, 2008, at 1:25 AM, Alex Dehaini wrote:
>>
>> Have you used it in production environment before. What are the
>> disadvantages and advantages over nagvis?
>>
>>
>> Yeah, we were running nexsm on our network of about 300 devices - not
>> huge, but not tiny. The main advantage that I found was ease of
>> configuration. With nexsm, it starts with the map fully populated with all
>> network devices and links, and you can simply drag the devices around to
>> where you want them. With nagvis, it starts off with an empty map, and you
>> have to manually place every device AND every link. If you are just trying
>> to populate a server room or something, this is fine, and probably
>> even easer than the nexsm approach (where you would have to tell it to hide
>> all the unwanted hosts), but when you are trying to map 300 or so devices,
>> plus links, it quickly becomes prohibitively time consuming. And while you
>> can reposition devices in nagvis by dragging (although I have had no end of
>> trouble getting that to work), they aren't attached to their links, so you
>> have to manually reposition BOTH the device and any links to/from the
>> device. This isn't an issue with nexsm.
>>
>> I also found the display in nexsm to be easier to use- you can easily zoom
>> in and out to see more or less of the map (if you can do this in nagvis, I
>> haven't discovered how), and the map can be as large as you want- nagvis
>> (from what I can tell) is limited to the size of the background image you
>> choose. Although I do prefer the icon sets with nagvis over nexsm- nexsm
>> uses the image you set in the nagios config.
>>
>> Finally, I prefer nexsm over nagvis for performance issues,
>> although admittedly I suspect this is due to mysql, not nagvis itself. On
>> the system I am using, I have found that when nagios is dumping stuff to the
>> database, mysql uses pretty much all available processing power, and nagios
>> hangs waiting for it to complete. Nexsm just reads the nagios logs directly,
>> and while it is java, which uses a fair amount of processor, it's not as bad
>> as mysql, at least on my OS. Also, when running nagvis, nagios has
>> a tendency to stop updating completely every day or two, and can't be
>> restarted until I kill the ndo2db daemon. I never had issues like that with
>> nexsm- probably because it was just passively reading the log files, rather
>> than trying to use an active event broker in nagios. Nexsm also just "feels"
>> simpler to me- nagvis consists of an event broker module, a ndo2db daemon,
>> the mysql server (although that might already be running somewhere for
>> something else) and the web front end. nexsm is "just" a single java applet.
>>
>> Keep in mind though that my opinions may be at least partially based on
>> incomplete or incorrect knowledge of nagvis. While I used nexsm extensively
>> until we moved to nagios 3, I have never actually managed to get nagvis
>> running acceptably. The three separate occasions I tried it have all been
>> non-starters. The last time I got it running for a couple of days, but
>> between the above mentioned performance issues, and never really being able
>> to get the maps configured the way I wanted, we quickly took it offline.
>> Also it is entirely possible that my desired usage (as a full-network
>> overview) is better suited for nexsm than nagvis, and a different usage
>> might work better with nagvis. But so far, for us, nagvis has proven to not
>> be sutable.
>>
>> -----------------------------------------------
>> Israel Brewster
>> Computer Support Technician
>> Frontier Flying Service Inc.
>> 5245 Airport Industrial Rd
>> Fairbanks, AK 99709
>> (907) 450-7250 x293
>> -----------------------------------------------
>>
>>
>>
>> Lex
>>
>> On Tue, Sep 2, 2008 at 11:20 PM, Israel Brewster <
>> israel at frontierflying.com> wrote:
>>
>>> On Sep 2, 2008, at 8:34 AM, Alex Dehaini wrote:
>>>
>>> Hi Guys,
>>>
>>> Are there other projects like nagvis?
>>>
>>>
>>>  If you are still running nagios 2, nexsm ( http://nexsm.sf.net ) is
>>> an excellent option, one that I highly preferred over nagvis for a number of
>>> reasons. Doesn't work with nagios 3, however. I Don't know how hard it would
>>> be to fix (I suspect it is just a log parsing issue, but I don't know), but
>>> it is written in java, which I don't know, and the developer hasn't had time
>>> to work on it lately. Oh well.
>>>
>>> -----------------------------------------------
>>> Israel Brewster
>>> Computer Support Technician
>>> Frontier Flying Service Inc.
>>> 5245 Airport Industrial Rd
>>> Fairbanks, AK 99709
>>> (907) 450-7250 x293
>>> -----------------------------------------------
>>>
>>>
>>>
>>> --
>>> Alex Dehaini
>>> Developer
>>> Site - www.alexdehaini.com
>>> Email - alexdehaini at gmail.com
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>>>
>>
>>
>> --
>> Alex Dehaini
>> Developer
>> Site - www.alexdehaini.com
>> Email - alexdehaini at gmail.com
>>
>>
>>
>
>
> --
> Alex Dehaini
> Developer
> Site - www.alexdehaini.com
> Email - alexdehaini at gmail.com
>



-- 
Alex Dehaini
Developer
Site - www.alexdehaini.com
Email - alexdehaini at gmail.com
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