[ClusterLabs] Antw: Re: force RHEL6 and derivates to use corosync.conf

[Ulrich Windl]

>>> Ionut Gogu <ionut.gogu at gmail.com> schrieb am 08.04.2015 um 15:01 in
Nachricht
<CAMESV9B8njhixNuBSqYBiUgdFbYJAxMm=rWaOVwm2JF5iOFAsQ at mail.gmail.com>:
> Thanks for your answer Andrew,
> i found very useful possibility to use corosync.conf for configuration of 2
> redundant rings over 2 separate NICs, because i have the following
> configuration:
> 
> *node01*
> nic0 - productive network (82.77.xx.11 node01)
> nic1 - corosync ring1     (10.1.1.11 node01hb0)
> nic2 - corosync ring2     (10.1.2.11 node01hb1)
> nic3 - backup network     (192.168.1.11 node01-back)
> 
> *node02*
> nic0 - productive network (82.77.xx.12 node02)
> nic1 - corosync ring1     (10.1.1.12 node02hb0)
> nic2 - corosync ring2     (10.1.2.12 node02hb1)
> nic3 - backup network        (192.168.1.12 node01-back)
> 
> I would like to use for <clusternode name> parameter, real hostnames of the
> linux machines (node01 & node02) and 2 redundant rings over network
> interfaces node01hb0 and node01hb0, but in RHEL6.5 6.6 only possibility
> that i have founded to run 2 redundant rings over 2 different NICs is to
> use for <clusternode name> parrameters: node01hb0 and node02hb0 in
> combination with <altname> :

Hi!

We run a very similar configuration, except that everything is bond (and we
use SLES). However I wonder what's the use of "altname": Does the cluster
directly care about the corosync communication layer at all?

Regards,
Ulrich

> 
>   <clusternodes>
>     <clusternode name="node01hb0" nodeid="1">
>       <altname mcast="226.10.1.1" name="node01hb1" port="5015"/>
>     </clusternode>
>     <clusternode name="node02hb0" nodeid="2">
>         <altname mcast="226.10.1.1" name="node02hb1" port="5015"/>
>     </clusternode>
>   </clusternodes>
> 
>   <cman keyfile="/etc/cluster/corosync.key" expected_votes="1"
two_node="1">
>   <multicast addr="226.1.2.1" port="5010"/>
> 
> 
> 
> Mit freundlichen Grüßen/Kind regards,
> 
> *John Gogu*
> 
> M:       +49 (0) 152 569 485 26
> Skype: ionut.gogu
> 
> On Wed, Apr 8, 2015 at 12:53 AM, Ionut Gogu <ionut.gogu at gmail.com> wrote:
> 
>> Hello,
>> there is any possibility to force usage of /etc/corosync/corosync.conf in
>> RHEL6 and derivates (corosync-1.4.7,pacemaker-1.1.12-4,cman-3.0.12.1-68)
>> instead using parameters from cman tags from /etc/cluster/cluster.conf?
>>
>>   <cman keyfile="/etc/cluster/corosync.key" expected_votes="1"
>> two_node="1">
>>   <multicast addr="226.1.2.1" port="5010"/>
>>   </cman>
>>    <totem rrp_mode="active" token="2000" consensus="24000">
>>    </totem>
>>
>> Mit freundlichen Grüßen/Kind regards,
>>
>> *John Gogu*
>>
>> M:       +49 (0) 152 569 485 26
>> Skype: ionut.gogu
>>