[Openstack] HA with pacemaker on Folsom
Razique Mahroua
razique.mahroua at gmail.com
Tue Apr 16 20:38:48 UTC 2013
Hi Jean-Daniel,
they have the default UID that were given to them when they were created on the system - so it' s not the same on both. As for the user, the mysql dir belongs to the mysql user and the rabbitmq to the rabbitmq user
MySQL : 700 (/var/lib/mysql)
RabbitMQ : 755 (/var/lib/rabbitmq)
Regards,
Razique Mahroua - Nuage & Co
razique.mahroua at gmail.com
Tel : +33 9 72 37 94 15
Le 16 avr. 2013 à 06:38, Jean-Daniel BUSSY <silversurfer972 at gmail.com> a écrit :
> Are your mysql users have same id? What are the permissions of in your drbd fs when mounted on the master node?
>
>
> BUSSY Jean-Daniel
>
>
>
> On Tue, Apr 16, 2013 at 10:39 AM, Jean-Daniel BUSSY <silversurfer972 at gmail.com> wrote:
> Hi Razique,
>
> I am using ubuntu 12.04.2.
> My corosync configuration file is http://paste2.org/IBY38WwM
> I am using the interface of the address 172.16.1.13 and fForeground corosync is launching fine and using the default configuration file fine.
> It's quite confusing
>
>
>
> BUSSY Jean-Daniel
> Cloud Engineer | GREE
> Mobile: +81 090-3317-1337
> Email: silversurfer972 at gmail.com
> Mobile mail: jakku972 at docomo.ne.jp
>
>
> On Tue, Apr 16, 2013 at 2:37 AM, Razique Mahroua <razique.mahroua at gmail.com> wrote:
> Hi Jean-Daniel,
> the script works fine for me - I never bothered about the UIDs, which OS are you running?
> Regards,
> Razique Mahroua - Nuage & Co
> razique.mahroua at gmail.com
> Tel : +33 9 72 37 94 15
>
> <NUAGECO-LOGO-Fblan_petit.jpg>
>
> Le 15 avr. 2013 à 18:30, Jean-Daniel BUSSY <silversurfer972 at gmail.com> a écrit :
>
>> Hi stackers,
>>
>> I am trying the Pacemaker approach to integrate HA to folsom on ubuntu 12.04.2
>> I followed the guide at http://docs.openstack.org/trunk/openstack-ha/content/ch-controller.html
>> This is my first try with Pacemaker so I think I am missing something trivial here:
>>
>> Mysql HA
>> Machine A have mysql:x:105:111:MySQL Server,,,:/nonexistent:/bin/false
>> Machine B have mysql:x:106:112:MySQL Server,,,:/nonexistent:/bin/false
>>
>> is uid of the files in drbd0 is set to uid 105 the failover will only work on Machine A
>> if uid is set to 106, then failover will only work on Machine B
>> (to trigger failover I stop pacemaker and corosync service)
>>
>> Should the Machine A and B's mysql user share the same UID?
>> Should I set pacemaker to change the userid befre starting the service first? Is that possible?
>> I couldn't get corosync fired up with the upstart script and have to fire it on the frontend. Is the service script working for you?
>>
>> cheers
>>
>> BUSSY Jean-Daniel
>>
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