Open Stack

Also see - https://docs.openstack.org/devstack/latest/systemd.html

On 07/24/2017 02:09 PM, Kristi Nikolla wrote:
> Hi,
> 
> I do not know about VM migration, however for restarting nova the right service names are devstack at n-api, devstack at n-cpu, etc. 
> 
> ubuntu at k2k1:~$ systemctl list-units | grep devstack
>   devstack at c-api.service                                                      loaded active running   Devstack devstack at c-api.service
>   devstack at c-sch.service                                                      loaded active running   Devstack devstack at c-sch.service
>   devstack at c-vol.service                                                      loaded active running   Devstack devstack at c-vol.service
>   devstack at dstat.service                                                      loaded active running   Devstack devstack at dstat.service
>   devstack at etcd.service                                                       loaded active running   Devstack devstack at etcd.service
>   devstack at g-api.service                                                      loaded active running   Devstack devstack at g-api.service
>   devstack at g-reg.service                                                      loaded active running   Devstack devstack at g-reg.service
>   devstack at keystone.service                                                   loaded active running   Devstack devstack at keystone.service
>   devstack at n-api-meta.service                                                 loaded active running   Devstack devstack at n-api-meta.service
>   devstack at n-api.service                                                      loaded active running   Devstack devstack at n-api.service
>   devstack at n-cauth.service                                                    loaded active running   Devstack devstack at n-cauth.service
>   devstack at n-cond.service                                                     loaded active running   Devstack devstack at n-cond.service
>   devstack at n-cpu.service                                                      loaded active running   Devstack devstack at n-cpu.service
>   devstack at n-novnc.service                                                    loaded active running   Devstack devstack at n-novnc.service
>   devstack at n-sch.service                                                      loaded active running   Devstack devstack at n-sch.service
>   devstack at placement-api.service                                              loaded active running   Devstack devstack at placement-api.service
>   devstack at q-agt.service                                                      loaded active running   Devstack devstack at q-agt.service
>   devstack at q-dhcp.service                                                     loaded active running   Devstack devstack at q-dhcp.service
>   devstack at q-l3.service                                                       loaded active running   Devstack devstack at q-l3.service
>   devstack at q-meta.service                                                     loaded active running   Devstack devstack at q-meta.service
>   devstack at q-svc.service                                                      loaded active running   Devstack devstack at q-svc.service
>   system-devstack.slice                                                       loaded active active    system-devstack.slice
> 
>> On Jul 24, 2017, at 9:43 AM, Ziad Nayyer <ziadnayyer at gmail.com> wrote:
>>
>> Dear,
>>
>> I am a PhD candidate at COMSATS, lahore, Pakistan. I am working on devstack. Just wanted to know whether it supports VM Migration between two devstacks installed on two different physical machines as currently I am unable to find any lead. Also please let me know how to restart a particular service on devstack version pike on centos7.
>>
>> The screen file is not being generated in devstack folder ->stack-screenrc and systemctl only restarts keystone not any other like nova-compute
>>
>> sudo systemctl restart devstack at keystone (works)
>> sudo systemctl restart devstack at nova
>> sudo systemctl restart devstack at nova-compute
>>
>> and any other does not work.
>>
>> I'll be very thankful.
>>
>>
>> -- 
>> Regards,
>>  
>> Muhammad Ziad Nayyer Dar
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> 
> 
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Sean Dague
http://dague.net