[ClusterLabs] Minimum configuration for dynamically adding a node to a cluster

Kristoffer Grönlund kgronlund at suse.com
Thu Jun 9 11:11:36 UTC 2016


Jehan-Guillaume de Rorthais <jgdr at dalibo.com> writes:

> Le 8 juin 2016 13:36:03 GMT+02:00, Nikhil Utane <nikhil.subscribed at gmail.com> a écrit :
>>Hi,
>>
>>Would like to know the best and easiest way to add a new node to an
>>already
>>running cluster.
>>
>>Our limitation:
>>1) pcsd cannot be used since (as per my understanding) it communicates
>>over
>>ssh which is prevented.
>
> As far as i remember,  pcsd deamons use their own tcp port (not the ssh one) and communicate with each others using http queries (over ssl i suppose).
>
> As far as i understand, crmsh uses ssh, not pcsd.

crmsh does use ssh but can be configured to communicate over an
alternative port in case the standard ssh port is blocked.

Cheers,
Kristoffer

>
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-- 
// Kristoffer Grönlund
// kgronlund at suse.com




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