[one-users] Monitor continually cycles through finding machines RUNNING and stat UNKNOWN

Gerry O'Brien gerry at scss.tcd.ie
Tue Jan 21 04:53:52 PST 2014


Hi,

     I've gotten down to only one collestd-client.rb process (see 
below). Are the multiple kvm-probes OK?

         Regards,
           Gerry




root at host101:~# ps -ef | grep one
oneadmin  3349     1  0 12:23 ?        00:00:00 ruby 
/var/tmp/one/im/kvm.d/collectd-client.rb kvm /var/lib/one//datastores 
4124 20 0 host101.scss.tcd.ie
oneadmin 21068  3349  0 12:51 ?        00:00:00 /bin/bash 
/var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores 
4124 20 0 host101.scss.tcd.ie
oneadmin 21076 21068  0 12:51 ?        00:00:00 /bin/bash 
/var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores 
4124 20 0 host101.scss.tcd.ie
oneadmin 21077 21076  0 12:51 ?        00:00:00 /bin/bash 
/var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores 
4124 20 0 host101.scss.tcd.ie




On 21/01/2014 10:10, Javier Fontan wrote:
> It seems that there are more people having this problem and we are
> taking a look on several ways to fix this. One problem with /var/run
> is that it is normally owned by root and a process started by oneadmin
> user can not write there. In the frontend a new directory for
> OpenNebula pid files is created but in the nodes it does not exist.
>
> On Tue, Jan 21, 2014 at 8:07 AM, Gerry O'Brien <gerry at scss.tcd.ie> wrote:
>> Hi Javier,
>>
>>    See my previous email. Another scenario is when
>> "/tmp/one-collectd-client.pid" does not exist due to issues with /tmp.
>>
>>     A change seems to have been made to put a pid file in /tmp instead of
>> /run or /var/run.
>>
>>          Regards,
>>            Gerry
>>
>>
>>
>> On 20/01/2014 17:44, Javier Fontan wrote:
>>> I've been trying to reproduce the problem, that is, making OpenNebula
>>> start a high amount of collectd-client processes. The only way I was
>>> able to do it is when the file "/tmp/one-collectd-client.pid" exists
>>> and has wrong permissions. Can you check the ownership and permissions
>>> of that file?
>>>
>>> On Mon, Jan 20, 2014 at 4:15 PM, Javier Fontan <jfontan at opennebula.org>
>>> wrote:
>>>> The problem seems to be the high amount of collectd processes running.
>>>> Try killing all "collectd-client.rb" processes. There should be only
>>>> one running per host.
>>>>
>>>> In case you want to use the old method of monitoring you can follow this
>>>> guide:
>>>>
>>>>
>>>> http://docs.opennebula.org/stable/administration/monitoring/imsshpullg.html#imsshpullg
>>>>
>>>> On Mon, Jan 20, 2014 at 2:17 PM, Gerry O'Brien <gerry at scss.tcd.ie> wrote:
>>>>> Hi Ruben,
>>>>>
>>>>>       Below is the output of 'ps -ef | grep one' on a host that has been
>>>>> disabled, rebooted and enabled. There are multiple versions of
>>>>> collectd-client.rb kvm running.
>>>>>
>>>>>
>>>>>       We have discovered today a serious issue that is having an adverse
>>>>> effect on our DNS system. When the machines below was enabled,
>>>>> immediately
>>>>> our DNS server is flooded with requests from the host (see a sample
>>>>> below).
>>>>>        Our logs show that this has only started happening since the
>>>>> upgrade to
>>>>> 4.4. If we don't get a fix for this we will have to go back to 4.2,
>>>>> which is
>>>>> something I really don't want to do.
>>>>>
>>>>>           Regards,
>>>>>               Gerry
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> oneadmin  3628     1  0 13:04 ?        00:00:00 ruby
>>>>> /var/tmp/one/im/kvm.d/collectd-client.rb kvm /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin  4600     1  0 13:05 ?        00:00:00 ruby
>>>>> /var/tmp/one/im/kvm.d/collectd-client.rb kvm /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin  6400     1  0 13:07 ?        00:00:00 ruby
>>>>> /var/tmp/one/im/kvm.d/collectd-client.rb kvm /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin  9003     1  0 13:08 ?        00:00:00 ruby
>>>>> /var/tmp/one/im/kvm.d/collectd-client.rb kvm /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12953  3628  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12955  6400  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12969 12953  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12970 12969  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12972 12955  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 12973 12972  0 13:10 ?        00:00:00 /bin/bash
>>>>> /var/tmp/one/im/kvm.d/../run_probes kvm-probes /var/lib/one//datastores
>>>>> 4124
>>>>> 20 0 host101.scss.tcd.ie
>>>>> oneadmin 13029 12973  0 13:10 ?        00:00:00 /bin/bash
>>>>> ./monitor_ds.sh
>>>>> kvm-probes /var/lib/one//datastores 4124 20 0 host101.scss.tcd.ie
>>>>> oneadmin 13030 12970  0 13:10 ?        00:00:00 /bin/bash
>>>>> ./monitor_ds.sh
>>>>> kvm-probes /var/lib/one//datastores 4124 20 0 host101.scss.tcd.ie
>>>>>
>>>>>
>>>>>
>>>>> -2014 13:14:26.675 client 134.226.59.101#52314: query:
>>>>> host101.scss.tcd.ie
>>>>> IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.680 client 134.226.59.101#51356: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.680 client 134.226.59.101#51356: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.822 client 134.226.59.101#47870: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.822 client 134.226.59.101#47870: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.824 client 134.226.59.101#58734: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.825 client 134.226.59.101#58734: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.952 client 134.226.59.101#39659: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.952 client 134.226.59.101#39659: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.952 client 134.226.59.101#53975: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:26.953 client 134.226.59.101#53975: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.108 client 134.226.59.101#36294: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.108 client 134.226.59.101#36294: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.109 client 134.226.59.101#59277: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.109 client 134.226.59.101#59277: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.347 client 134.226.59.101#49614: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.348 client 134.226.59.101#49614: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.350 client 134.226.59.101#44058: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.357 client 134.226.59.101#44058: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.458 client 134.226.59.101#51830: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.458 client 134.226.59.101#51830: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.461 client 134.226.59.101#38419: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:27.461 client 134.226.59.101#38419: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:31.184 client 134.226.59.101#38617: query:
>>>>> host101.scss.tcd.ie IN A + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:31.184 client 134.226.59.101#38617: query:
>>>>> host101.scss.tcd.ie IN AAAA + (134.226.32.57)
>>>>> 20-Jan-2014 13:14:31.302 client 134.226
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 17/01/2014 17:45, Ruben S. Montero wrote:
>>>>>> Hi Gerry
>>>>>>
>>>>>> Just to check, are you using 4.4 Final? We've seen this in the betas
>>>>>> and
>>>>>> "thought" we fixed for the final version. Also could you check that
>>>>>> there
>>>>>> are just one monitorization process at the hosts (collectd-client.sh,
>>>>>> or
>>>>>> equiv should be the name of the process)
>>>>>>
>>>>>> Also could you send us the lines from oned.log between Thu Jan 16
>>>>>> 16:56:25
>>>>>> 2014 and Thu Jan 16 17:25:43 2014; plus the first lines that includes
>>>>>> you
>>>>>> oned.conf values (we are interested specially in those related to
>>>>>> monitoring interval)
>>>>>>
>>>>>>
>>>>>> Cheers
>>>>>>
>>>>>> Ruben
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Jan 17, 2014 at 2:27 PM, Gerry O'Brien <gerry at scss.tcd.ie>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>>        Below is a truncated log file for a VM. The monitor continually
>>>>>>> cycles
>>>>>>> through finding the machine RUNNING and stat UNKNOWN. This occurs for
>>>>>>> many
>>>>>>> many machines at the same time. All machines were created by a script.
>>>>>>>
>>>>>>>        The VMs are Microsoft Windows 7 64bit Enterprise. Individual
>>>>>>> context
>>>>>>> is created by a startup script. They run fine but eventually
>>>>>>> /var/log/one
>>>>>>> is going overflow.
>>>>>>>
>>>>>>>        Restarting oned seems to fix the problem but this is hardly a
>>>>>>> long
>>>>>>> term solution.
>>>>>>>
>>>>>>>        Any suggestions on what could be causing this?
>>>>>>>
>>>>>>>            Regards,
>>>>>>>                Gerry
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Thu Jan 16 16:56:21 2014 [DiM][I]: New VM state is ACTIVE.
>>>>>>> Thu Jan 16 16:56:22 2014 [LCM][I]: New VM state is PROLOG.
>>>>>>> Thu Jan 16 16:56:22 2014 [VM][I]: Virtual Machine has no context
>>>>>>> Thu Jan 16 16:56:22 2014 [LCM][I]: New VM state is BOOT
>>>>>>> Thu Jan 16 16:56:22 2014 [VMM][I]: Generating deployment file:
>>>>>>> /var/lib/one/vms/1788/deployment.0
>>>>>>> Thu Jan 16 16:56:23 2014 [VMM][I]: ExitCode: 0
>>>>>>> Thu Jan 16 16:56:23 2014 [VMM][I]: Successfully execute network driver
>>>>>>> operation: pre.
>>>>>>> Thu Jan 16 16:56:25 2014 [VMM][I]: ExitCode: 0
>>>>>>> Thu Jan 16 16:56:25 2014 [VMM][I]: Successfully execute virtualization
>>>>>>> driver operation: deploy.
>>>>>>> Thu Jan 16 16:56:25 2014 [VMM][I]: ExitCode: 0
>>>>>>> Thu Jan 16 16:56:25 2014 [VMM][I]: Successfully execute network driver
>>>>>>> operation: post.
>>>>>>> Thu Jan 16 16:56:25 2014 [LCM][I]: New VM state is RUNNING
>>>>>>> Thu Jan 16 16:56:51 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 16:59:01 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 16:59:23 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:01:41 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:01:58 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:04:18 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:04:39 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:06:55 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:07:06 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:09:31 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:09:31 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:12:22 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:12:27 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:15:11 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:15:22 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:17:49 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:18:00 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:20:27 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:20:34 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:23:04 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:23:08 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>> Thu Jan 16 17:25:41 2014 [VMM][I]: VM found again, state is RUNNING
>>>>>>> Thu Jan 16 17:25:43 2014 [LCM][I]: New VM state is UNKNOWN
>>>>>>>
>>>>>>> --
>>>>>>> Gerry O'Brien
>>>>>>>
>>>>>>> Systems Manager
>>>>>>> School of Computer Science and Statistics
>>>>>>> Trinity College Dublin
>>>>>>> Dublin 2
>>>>>>> IRELAND
>>>>>>>
>>>>>>> 00 353 1 896 1341
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at lists.opennebula.org
>>>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>>>
>>>>> --
>>>>> Gerry O'Brien
>>>>>
>>>>> Systems Manager
>>>>> School of Computer Science and Statistics
>>>>> Trinity College Dublin
>>>>> Dublin 2
>>>>> IRELAND
>>>>>
>>>>> 00 353 1 896 1341
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>
>>>>
>>>> --
>>>> Javier Fontán Muiños
>>>> Developer
>>>> OpenNebula - The Open Source Toolkit for Data Center Virtualization
>>>> www.OpenNebula.org | @OpenNebula | github.com/jfontan
>>>
>>>
>>
>> --
>> Gerry O'Brien
>>
>> Systems Manager
>> School of Computer Science and Statistics
>> Trinity College Dublin
>> Dublin 2
>> IRELAND
>>
>> 00 353 1 896 1341
>>
>
>


-- 
Gerry O'Brien

Systems Manager
School of Computer Science and Statistics
Trinity College Dublin
Dublin 2
IRELAND

00 353 1 896 1341




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