No CPU graphs after new install.

spunk · Post by **spunk** » Wed Apr 13, 2005 8:55 am

Hi,

After I reinstalled cacti today the CPU graphs don't show.
All other graphs are showing from the same host.

Running on FreeBSD 4.11
Checked the /rra dir and there are no rrd's related to CPU.
Where should I start look next?

TIA
sPunk

Post by **rony** » Wed Apr 13, 2005 10:06 pm

Make sure that your host is setup to allow CPU quering. Or more so, UCD/NET SNMP load average.

spunk · Post by **spunk** » Thu Apr 14, 2005 2:39 am

No change is made on any server I try to monitor.
All servers are MS Win2k or Win2k3.

I had like cacti 0.8.4 or something running and graphing, then reinstalled/upgraded cacti and the result are that all mashines GRAPH fine exept CPU graphs....

Anyone now the OID for CPU?
I'll try to snmpget manually to see what it returns....

sPunk

spunk · Post by **spunk** » Thu Apr 14, 2005 6:02 am

Guess it .1.3.6.1.2.1.25.3.3.1.2
Witch reports back "right" values for CPU load.
But why does it not create the .rrd files?

sPunk

Post by **rony** » Thu Apr 14, 2005 7:57 am

Ok, this was after an upgrade... Let's do some cleaning.

Make sure that the poller is NO running and run the following command on the cacti database in the mysql client:

Code: Select all

delete from poller_output;

Then from the web interface run the System Utilities->Clear Poller Cache. This is named wrong, it's going to clear it then rebuild it. It will show you the results, check the output, you should see that CPU OID for the host you are monitoring. If not, then there is probably a template issue.

spunk · Post by **spunk** » Fri Apr 15, 2005 2:13 am

OK,

Stopped the poller and ran the SQL command.
Response back was: Query OK, 0 rows affected (0.00 sec)

Snip from poller cache:

Action: 2, Script: /usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

What does that mean?

And no, the CPU rrd's for the CPU's wasn't created after this fix either.
Any other hints or sugestions?

Thanks
sPunk

Post by **rony** » Fri Apr 15, 2005 7:31 am

Action: 2, Script: /usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

That means the poller is going to poll the data. Next, I need to see one polling cycle of your poller.php in debug mode. Goto Settings->General->Poller Logging Level and set it to Debug. Then clear the log/cacti.log file and post the cacti.log from one polling cycle. Do not post the STDOUT of the poller.php, I need to see the log.

spunk · Post by **spunk** » Sat Apr 16, 2005 1:42 am

Just wanna say thanks for the help so far!
And thanks for a great application.

I gonna post the log in a few hours, i'm not at work right now.

TIA
sPunk

Post by **rony** » Sat Apr 16, 2005 8:13 am

Helping everyone helps me to write better code and proceedures. And because I'm rewriting the documentation, it help me to figure out common questions, so I know what to focus on with the new documentation.

spunk · Post by **spunk** » Mon Apr 18, 2005 5:54 am

Sorry for the late response. The weekend just flew away...

Anyways here's the cacti log.

Post by **TheWitness** » Mon Apr 18, 2005 8:36 pm

You should be able to open a shell and run this command and get a legit response with no warnings. If you don't, then we have to look at the error:

Code: Select all

/usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

TheWitness

spunk · Post by **spunk** » Tue Apr 19, 2005 3:10 am

If I run:

Code: Select all

/usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

I get:
/usr/local/share/cacti/scripts/ss_host_cpu.php: cannot open ?php: no such file

But if I run:

Code: Select all

/usr/local/bin/php /usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

it returns without any error or any output at all.

Post by **TheWitness** » Tue Apr 19, 2005 4:25 am

my bad, your right. This is good news. The next path I would like you to go down is the following:

run the following:

Code: Select all

<php_binary_path>/php <cacti_web_path>/script_server.php

You should receive, without warning, something to the affect:

Code: Select all

Script Server Started

Then type the following:

Code: Select all

/usr/local/share/cacti/scripts/ss_host_cpu.php ss_host_cpu webserver.domain.com public 1 get usage 1

You should receive your output. Then type:

Code: Select all

quit

This will stop the script server.

TheWitness

spunk · Post by **spunk** » Tue Apr 19, 2005 6:21 am

Done all that and it returns a number, like 50 witch match the cpu usage on the target server.

Post by **TheWitness** » Tue Apr 19, 2005 3:40 pm

What does your debug output look like for that particular script? If different than "U", then I would suspect either a corrupt template or a damaged RRD file.

TheWitness

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No CPU graphs after new install.

No CPU graphs after new install.

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