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Re: Command to find out list of compute nodes

 

nova-compute is crashing for some reason. Try running
sudo nova-compute --config-file=/etc/nova/nova.conf

that should start it in the foreground so you can see any error messages that might pop up.

Vish

On Nov 16, 2012, at 9:28 AM, Ahmed Al-Mehdi <ahmed@xxxxxxxxxx> wrote:

> Hello,
> 
> The two servers time clock is off by 2 seconds, so obvious not time
> synced.  I will work on getting that fixed.  The compute node is ahead by
> about 2 seconds.  Would that cause such a problem?
> 
> Regards,
> Ahmed.
> 
> 
> On 11/16/12 8:56 AM, "Narayanan, Krishnaprasad" <narayana@xxxxxxxxxxxx>
> wrote:
> 
>> Hi Ahmed,
>> 
>> If I understand the email correctly from Gong Yong Sheng, he is asking
>> you to check the status of ntp server on control and compute nodes.
>> 
>> Thanks
>> Krishnaprasad Narayanan
>> 
>> -----Original Message-----
>> From: gong yong sheng [mailto:gongysh@xxxxxxxxxxxxxxxxxx]
>> Sent: Freitag, 16. November 2012 13:56
>> To: Ahmed Al-Mehdi
>> Cc: Narayanan, Krishnaprasad; openstack@xxxxxxxxxxxxxxxxxxx
>> Subject: Re: [Openstack] Command to find out list of compute nodes
>> 
>> Can u check if the time is synchronized? Times on compute node and
>> control node should be synchronized.
>> On 11/16/2012 12:28 PM, Ahmed Al-Mehdi wrote:
>>> Hi Narayanan,
>>> 
>>> Awesome, thank you.  There reason I was not seeing the "nova-compute"
>>> listed is because it did not launch on the compute node.  I did a
>>> manual start of "nova-compute" on the compute node, and I do see it
>>> listed on the control-node but with "XXX" State.
>>> 
>>> root@bodega:~/ahmed/new_guide# nova-manage  service list
>>> 
>>> Binary 		Host 	Zone             Status 	State	Updated_At
>>> nova-network 	bodega 	nova             enabled 	:-) 	2012-11-15 23:49:28
>>> nova-scheduler 	bodega 	nova             enabled 	:-) 	2012-11-15
>>> 23:49:28
>>> nova-compute 	sonoma 	nova             enabled	XXX 	2012-11-15 23:46:46
>>> <= compute-node
>>> 
>>> What I don't understand is even though nova-compute is listed on the
>>> control-node, the service is not running on the compute node.  That
>>> does not seem right.
>>> 
>>> root@sonoma:~# service nova-compute status nova-compute stop/waiting
>>> root@sonoma:~# date;  service nova-compute start Thu Nov 15 15:48:08
>>> PST 2012 nova-compute start/running, process 2785 root@sonoma:~#
>>> service nova-compute status nova-compute stop/waiting root@sonoma:~#
>>> ps aux | grep nova
>>> root      2810  0.0  0.0   9384   924 pts/0    S+   15:49   0:00 grep
>>> --color=auto nova
>>> root@sonoma:~# service  nova-compute status nova-compute stop/waiting
>>> root@sonoma:~#
>>> 
>>> There are no log entries in the log files on compute-node or
>>> control-node.
>>>  Any ideas please?
>>> 
>>> 
>>> Thank you,
>>> Ahmed.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On 11/15/12 3:29 PM, "Narayanan, Krishnaprasad"
>>> <narayana@xxxxxxxxxxxx>
>>> wrote:
>>> 
>>>> Hi Ahmed,
>>>> 
>>>> You can use the command "nova-manage service list" from the command
>>>> line of control node to get the list of compute nodes along with the
>>>> nova-compute service status.
>>>> 
>>>> Thanks
>>>> Krishnaprasad Narayanan
>>>> ________________________________
>>>> From: openstack-bounces+narayana=uni-mainz.de@xxxxxxxxxxxxxxxxxxx
>>>> [openstack-bounces+narayana=uni-mainz.de@xxxxxxxxxxxxxxxxxxx] on
>>>> behalf of Ahmed Al-Mehdi [ahmed@xxxxxxxxxx]
>>>> Sent: Friday, November 16, 2012 12:19 AM
>>>> To: openstack@xxxxxxxxxxxxxxxxxxx
>>>> Subject: [Openstack] Command to find out list of compute nodes
>>>> 
>>>> Hello,
>>>> 
>>>> Is there a command I can issue on the control node to find out the
>>>> list of compute node(s) (nodes running nova-compute), and potentially
>>>> any additional info about the compute node(s)?
>>>> 
>>>> Thank you,
>>>> Ahmed.
>>>> 
>>> 
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>> 
> 
> 
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