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

[Deepak C Shetty]

On 02/28/2012 10:38 PM, Douglas Landgraf wrote:
> 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>
>

Thanks douglas, I am on a bit older version of vdsm and can't readily update
as my lab system is not directly connected to the internet. So until i 
update,
'guess i will have to live with manual vdsmd restart.