[one-users] Hosts not monitored

Fri Oct 7 09:49:59 PDT 2011

The problem seems to have been NFS related (var folder was not mounted
correctly on hosts).

On Fri, Oct 7, 2011 at 2:00 PM, Alexandru - Florian Antonescu <
florinantonescu at gmail.com> wrote:

> This problem is persisting even re-installation of OpenNebula 3.0.
>
> I have tried to enable debugging by exporting ONE_MAD_DEBUG but I see no
> extra messages logged to oned.log and no new file created in var folder.
> Everything appears to be working properly, except that it doesn't.
>
> These are the messages logged to var/oned.log
> Fri Oct  7 09:18:53 2011 [InM][I]: Monitoring host zrhs9 (0)
> Fri Oct  7 09:18:55 2011 [InM][I]: ExitCode: 0
> Fri Oct  7 09:18:59 2011 [ReM][D]: HostPoolInfo method invoked
>
> From here it would seem that the monitoring code is executed properly.
>
> Also, when I run onehost show 0 this is what is displayed:
> HOST 0 INFORMATION
> ID                    : 0
> NAME                  : zrhs69
> STATE                 : INIT
> IM_MAD                : im_kvm
> VM_MAD                : vmm_kvm
> TM_MAD                : tm_shared
>
> HOST SHARES
> MAX MEM               : 0
> USED MEM (REAL)       : 0
> USED MEM (ALLOCATED)  : 0
> MAX CPU               : 0
> USED CPU (REAL)       : 0
> USED CPU (ALLOCATED)  : 0
> RUNNING VMS           : 0
>
> MONITORING INFORMATION
>
> The monitoring information is missing and no extra error message is
> displayed.
>
> Can someone give me some help with debugging this?
>
> Best regards,
> Florian
>
> On Thu, Oct 6, 2011 at 3:14 PM, Alexandru - Florian Antonescu <
> florinantonescu at gmail.com> wrote:
>
>> Hello,
>>
>> After digging though the scripts, I reached the point were the
>> one_im_exec.rb ruby script is called and from here I couldn't follow
>> anymore.
>> When running the script I don't get any output, and if I interrupt the
>> script I get the following output.
>> Can someone help me identify what is going on?
>>
>> ./lib/mads/one_im_exec.rb -r 0 -t 15 kvm
>> ^C/srv/cloud/one/lib/ruby/ActionManager.rb:168:in `wait': Interrupt
>>         from /srv/cloud/one/lib/ruby/ActionManager.rb:168:in
>> `start_listener'
>>         from /srv/cloud/one/lib/ruby/ActionManager.rb:166:in `synchronize'
>>         from /srv/cloud/one/lib/ruby/ActionManager.rb:166:in
>> `start_listener'
>>         from /srv/cloud/one/lib/ruby/OpenNebulaDriver.rb:300:in
>> `start_driver'
>>         from ./lib/mads/one_im_exec.rb:117
>>
>> Best regards,
>> Florian
>>
>>
>> On Thu, Oct 6, 2011 at 12:30 PM, Valentin Bud <valentin.bud at gmail.com>wrote:
>>
>>>
>>>
>>> On Thu, Oct 6, 2011 at 1:09 PM, Alexandru - Florian Antonescu <
>>> florinantonescu at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> I have recently installed OpenNebula 3.0 (from source) and noticed that
>>>> the added hosts are not being monitored, they just remain in INIT state. In
>>>> var/oned.log I see entries like these:
>>>> Thu Oct  6 08:01:51 2011 [InM][I]: Monitoring host zrhs69 (2)
>>>> Thu Oct  6 08:01:51 2011 [InM][I]: Monitoring host zrhs6a (3)
>>>> Thu Oct  6 08:02:06 2011 [ReM][D]: HostPoolInfo method invoked
>>>> oneadmin user is able to ssh into the hosts without a password.
>>>>
>>>> After looking in etc/im_kvm folder I saw that it is empty. Is this
>>>> normal? How are hosts being monitored in OpenNebula 3.0 ?
>>>>
>>>> Can anyone give me a hint on how to proceed?
>>>>
>>>> Best regards,
>>>> Florian
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opennebula.org
>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>
>>>>
>>> Hello Florian,
>>>
>>>  In /etc/one/oned.conf at the "  KVM Information Driver Manager
>>> Configuration " section:
>>> IM_MAD = [
>>>       name       = "im_kvm",
>>>       executable = "one_im_ssh",
>>>       arguments  = "-r 0 -t 15 kvm" ]
>>>
>>> The executable one_im_ssh is located in /usr/lib/one/mads
>>> or $ONE_LOCATION/lib/mads, depends if you installed OpenNebula self
>>> contained on in root (/).
>>> The one_im_ssh script sets $MAD_LOCATION and
>>> executes $MAD_LOCATION/one_im_exec $*. Maybe you can find out what happens
>>> following the logic found in those scripts.
>>>
>>> The monitoring part works for me. I have ONE3.0 on Debian Squeeze (6.0.2)
>>> as frontend. The nodes are also Debian 6.0.2 with qemu-kvm 0.12.5
>>> and libvirt 0.8.3-5.
>>>
>>> Have a great day,
>>> v
>>>
>>>
>>> --
>>> network warrior
>>>
>>
>>
>
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