Monitor Windows via WMI from Cacti on Linux

argon0 · Post by **argon0** » Mon Mar 30, 2009 9:59 am

Right, its not passing anything that isn't defined in the data template for some reason... Its working on other graphs..

Even those that are using the old templates....

Groan.. will try removing the single quotes...

claymen · Post by **claymen** » Mon Mar 30, 2009 10:03 am

Which template is that exactly? Can you check its data input method.

Make sure the script command its running is

Code: Select all

/usr/bin/php -q <your cacti scripts path>/wmi-svn.php -h '<host>' -u '<credential>' -w '<class>' -n '<namespace>' -k '<filter>' -v '<filterval>' -c '<columns>'

And then also double check the host/hostname input field has the "Special Type Code" set to hostname. From there check the data template itself to make sure its not got something funky set because it should be set to take its hostname from the host its attached to.

It would look like somewhere along those lines its broken, it could have been my template export but they look ok to my tired eyes (so I could have missed it...).

You need the single quotes in the script command so that you don't have to escape it in your data templates or anywhere else. E.g. no more having to escape : and spaces etc cause the single quotes in the script command take care of that.

argon0 · Post by **argon0** » Mon Mar 30, 2009 10:32 am

OK, it works for new Graphs....

<groan>

Only 189 graphs to recreate!

argon0 · Post by **argon0** » Mon Mar 30, 2009 10:37 am

claymen wrote:Which template is that exactly? Can you check its data input method.

Windows - CPU Usage - 4CPU (WMI)

claymen wrote: Make sure the script command its running is
Code: Select all
/usr/bin/php -q <your cacti scripts path>/wmi-svn.php -h '<host>' -u '<credential>' -w '<class>' -n '<namespace>' -k '<filter>' -v '<filterval>' -c '<columns>'
And then also double check the host/hostname input field has the "Special Type Code" set to hostname. From there check the data template itself to make sure its not got something funky set because it should be set to take its hostname from the host its attached to.

Yup its running that. Special Type set as expected.Nothing set in data template. And Hostname field, as long as its blank, takes its value from the host (its not set to "take value from hostname" by its tick box, but then neither are the others that are working.

claymen wrote: It would look like somewhere along those lines its broken, it could have been my template export but they look ok to my tired eyes (so I could have missed it...).

You need the single quotes in the script command so that you don't have to escape it in your data templates or anywhere else. E.g. no more having to escape : and spaces etc cause the single quotes in the script command take care of that.

Single quotes made no difference. When I recreated a graph on a host I know wmi works to, it works first time...

Strange....[/quote]

st3rling · Post by **st3rling** » Tue Mar 31, 2009 9:13 am

Hi,
Is there a way to show multiple hard drives from one server either on the same or separate graph? For example, using Available Disk Space template.
Thank you.

argon0 · Post by **argon0** » Tue Mar 31, 2009 3:21 pm

Yup, you just have to create the graph multiple times, with a different drive letter for each one - works very well, better than the snmp templates, IMHO.

argon0 · Post by **argon0** » Thu Apr 02, 2009 7:15 am

OK, now this is odd....

And I don't know exactly what is happening here...

None of my WMI graphs were working...

These are the actions I have taken, which seem to have made a difference.

1) Duplicated the Data Source Templates.
2) set the new template to Inherit the Credentials
3) Changed Data Template for all my wmi disk i/o and available disk graphs to the duplicates, and then back again.
4) Left it (nothing happened)
5) Duplicated my Host Template taking out and re-adding the disk i/o and availability graphs
6) Changed my hosts to this new template.

And Availabe Disk, Disk i/o and CPU now work....

claymen · Post by **claymen** » Fri Apr 03, 2009 4:58 am

That's some trippy symptoms you are seeing... I have seen some weird stuff with disk i/o and available space on some of our cluster nodes which I couldn't explain

argon0 · Post by **argon0** » Fri Apr 03, 2009 7:20 am

The Actions above seem to get all the graphs working. Except System Stats graphs...

Although I've yet to prove this, - in the process...

Argon0

argon0 · Post by **argon0** » Fri Apr 03, 2009 11:33 am

System Stats graphs seem to be a bit hit and miss.

most of my graphs are now working...

BUT...

Polling time has gone up from ~ 30 s to 55+ seconds - I've had to disable several hosts just to be able to complete polling within the allowable window....

claymen · Post by **claymen** » Sat Apr 04, 2009 2:53 am

How many hosts are you polling with WMI? e.g. how many WMI data sources do you have and additionally what sort of spec box are you using. We have about 400~ separate WMI data sources now on top of our other 14 thousand data sources (taken from poller cache) and still poll in about 30seconds each time.

Can you identify which ones are taking too long to run? Are you using IP's or hostnames for machiens as this can alter how it tries to authenticate (e.g. if you used a fqdn it will try kerberos but an IP it will go straight to NTLM) and some methods take longer or more so having to try and timeout takes longer...

argon0 · Post by **argon0** » Sat Apr 04, 2009 4:21 pm

now, about 45 hosts, ip address only.

trying to id the "slow" hosts, but no joy so far...

spec of server - its a Dell 620 workstation with 2 gb of ram - always been more than enough in the past. and doing the same graphs - using wmi, gave 25-30s polling time prior to the upgrade.

May well just disable all windows hosts and re enable one by one...

argon0 · Post by **argon0** » Mon Apr 06, 2009 11:29 am

OK, I think I've identified the troublesome hosts, - all at another site, all SQL servers.

The disk Space graphs seem particularly troubling to them...

To Check - when specifying a disk what do you put:

C:
C\:
or just
C

???

amccool · Post by **amccool** » Mon Apr 06, 2009 5:24 pm

I found I needed to do some repair work to "older" servers.

on the server you want to pull data from do the following

1. run mofcomp

C:\Program Files\Microsoft SQL Server\90\Shared>mofcomp "c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmproviderxpsp2up.mof"
Microsoft (R) 32-bit MOF Compiler Version 5.2.3790.3959
Copyright (c) Microsoft Corp. 1997-2001. All rights reserved.
Parsing MOF file: c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmprovider
xpsp2up.mof
MOF file has been successfully parsed
Storing data in the repository...
Done!

2. run wmiadap /f (wow...great output here Microsoft)
This re-parses the performance counters into wmi counters

3. restart "Windows Management Instrumentation" service

claymen · Post by **claymen** » Mon Apr 06, 2009 7:27 pm

argon0 wrote:OK, I think I've identified the troublesome hosts, - all at another site, all SQL servers.

The disk Space graphs seem particularly troubling to them...

To Check - when specifying a disk what do you put:

C:
C\:
or just
C

???

If you are using the new templates in 0.0.6 you can use either C: or C\:

Technically in the new version it should just be C: but I added a quick check to strip out the older C\: for backward compatibility.

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