[Users] [vdsm] Remove and Add host does not work

[Douglas Landgraf]

On 02/28/2012 11:01 AM, Douglas Landgraf wrote:
> On 02/28/2012 08:49 AM, Deepak C Shetty wrote:
>> On 02/28/2012 07:11 PM, Itamar Heim wrote:
>>> On 02/28/2012 03:31 PM, Deepak C Shetty wrote:
>>>> On 02/28/2012 06:57 PM, Itamar Heim wrote:
>>>>> On 02/28/2012 03:22 PM, Deepak C Shetty wrote:
>>>>>> On 02/28/2012 06:46 PM, Itamar Heim wrote:
>>>>>>> On 02/28/2012 02:48 PM, Deepak C Shetty wrote:
>>>>>>>> Hi,
>>>>>>>> I had a host managed via OE, completely working fine. Was even 
>>>>>>>> able to
>>>>>>>> create and run VMs off it.
>>>>>>>> I tried removing the host from the OE (put host into maint. 
>>>>>>>> mode and
>>>>>>>> then remove) and when i re-discover
>>>>>>>> the same host, OE just keeps seeing it as Non-responsive.
>>>>>>>
>>>>>>> what do you mean by "re-discover"?
>>>>>>>
>>>>>>
>>>>>> I just meant that i removed the host and re-added it by selecting 
>>>>>> "New"
>>>>>> on the Hosts tab
>>>>>> and putting the IP and hostname.
>>>>>>
>>>>>>>>
>>>>>>>> I am able to ssh into the host and see that none of the vdsm 
>>>>>>>> processes
>>>>>>>> have been started.
>>>>>>>> I tried doing "Confirm host has been rebooted" on the OE, did not
>>>>>>>> help.
>>>>>>>> I tried putting
>>>>>>>> host into maint. mode and re-activating the host, just doesn't 
>>>>>>>> help
>>>>>>>
>>>>>>> did you do any change to the host?
>>>>>>> just removing it from engine shouldn't cause vdsm to know/care and
>>>>>>> should work just like before.
>>>>>>>
>>>>>>
>>>>>> Nothing changed on the host. In fact when i removed and added the
>>>>>> host back
>>>>>> it says everything is installed so does nothing but reboots the 
>>>>>> host,
>>>>>> post reboot
>>>>>> vdsm does not start automatically.... and host status is 
>>>>>> non-responsive
>>>>>> on OE
>>>>>
>>>>> if vdsm does not start, OE is correct...
>>>>> does vdsm try to start and fails (and if so, log excerpt?)
>>>>
>>>> Right, but I dont see any traces of vdsm trying to start. Nothing 
>>>> in the
>>>> vdsm.log
>>>> thats relevant to this. I just did chkconfig --list and don't see 
>>>> vdsmd
>>>> in that, could
>>>> that be the reason.
>>>>
>>>> On the host I manually did `service vdsmd restart` and then everythign
>>>> works
>>>> fine.
>>>>>
>>>>>
>>>>
>>>
>>> you are basically saying "re-installing a host causes vdsm to not 
>>> start by default".
>>> reproducing this again to make sure and opening a bug seems the 
>>> right course.
>>> trying to trace the install flow to provide root cause or even a 
>>> patch would help more to fix this
>>>
>> Are you saying that vdsmd service should start by default post reboot 
>> and its entry
>> should be listed as part of chkconfig --list ?
>>
> vdsm uses systemd.
> http://fedoraproject.org/wiki/SysVinit_to_Systemd_Cheatsheet
>
> Try to use chkconfig vdsm on, you will see a wrapper to systemd command.
>
>> Found this examining the vds bootstrap complete py log
>>
>> 2012-02-28 23:45:32,022 DEBUG    deployUtil 707 _updateFileLine: 
>> return: True
>> 2012-02-28 23:45:32,022 DEBUG    deployUtil 228 setVdsConf: ended.
>> 2012-02-28 23:45:32,022 DEBUG    deployUtil 103 ['/bin/systemctl', 
>> 'reconfigure', 'vdsmd.service']
>> 2012-02-28 23:45:32,026 DEBUG    deployUtil 107
>> 2012-02-28 23:45:32,026 DEBUG    deployUtil 108 Unknown operation 
>> reconfigure
>>
>> 2012-02-28 23:45:32,026 DEBUG    deployUtil 103 ['/sbin/reboot']
>> 2012-02-28 23:45:32,325 DEBUG    deployUtil 107
>>
>>
> Which vdsm version are you using? If I am not wrong, I remember to see 
> a patch for this report.. /me going to check..
>

 From vdsm.spec:
===============
* Sun Feb  5 2012 Dan Kenigsberg <danken at redhat.com> - 4.9.3.3-0.fc16
<snip>
- BZ#773371 call `vdsmd reconfigure` after bootstrap
<snip>


-- 
Cheers
Douglas