Nagvis alternatives

[Alex Dehaini]

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
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