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Nagios finds two Openstack-nova-compute processes

asked 2013-12-27 14:04:47 -0500

Esteban gravatar image

Hello,

I created a Nagios check for the nova-compute process, and it is defined to alert whenever the process is not running, i.e. if the amount is not equal to 1, it has give me a couple of times a warning saying this:

PROCS CRITICAL: 2 processes with command name nova-compute

My question is, how could it be possible that two nova-compute processes run in the same server? or could I be facing a bougs report.

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answered 2013-12-27 20:38:00 -0500

dheeru gravatar image

As Jtopican already said you can check ps -aef | grep compute on your compute node. This could be legitimate processes. Do you have any configuration set workers=2 or something in compute.conf ? When you are seeing these processes is it that one compute is parent and another child ? Just look at the PID and parent PID of both the processes. If that is the case by default it could be creating two processes.

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Did you check and resolve this ? Please update. This helps others as well.

dheeru gravatar imagedheeru ( 2014-01-02 08:26:52 -0500 )edit
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answered 2013-12-27 19:55:16 -0500

jtopjian gravatar image

It's possible that you're seeing a false positive. On the compute node itself, do you see two different nova-compute procs when you run:

ps aux | grep nova-compute

?

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Asked: 2013-12-27 14:04:47 -0500

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Last updated: Dec 27 '13