[Pacemaker] constraint colocation or resource group

Chris Feist cfeist at redhat.com
Thu Jan 2 17:44:44 EST 2014


On 01/02/2014 01:54 PM, Luc Paulin wrote:
> Thanx for the syntax, however it does not seem to work.
> When I try it, it immediately return the help syntax menu, as if the command not
> suported.
>
> [root at fwcorp-01 (NEW FW HOST) ~]$pcs constraint colocation set vip_v253_178
> vip_v253_179 vip_v253

Which version of pcs are you using?  (colocation sets were included in 0.9.62)

>
> Usage: pcs constraint [constraints]...
> Manage resource constraints
>
> Commands:
> [...cut...]
>
>
> The only possible syntax look to be:
> pcs constraint colocation [show [all]]
> pcs constraint colocation add <source resource> <target resource> [score] [options]
> pcs constraint colocation rm <source resource> <target resource>
>
> I found the following link that refer to the constraint colocation set
> (http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-resource-sets-collocation.html)
> however there's no reference to the pcs command
>
>
>
>
>
> --
>                           !!!!!
>                         ( o o )
>   --------------oOO----(_)----OOo--------------
>     Luc Paulin
>     email: paulinster(at)gmail.com <http://gmail.com>
>     Skype: paulinster
>
>
>
> 2014/1/2 Chris Feist <cfeist at redhat.com <mailto:cfeist at redhat.com>>
>
>     On 01/02/2014 10:37 AM, Lars Marowsky-Bree wrote:
>
>         On 2014-01-02T11:22:01, Luc Paulin <paulinster at gmail.com
>         <mailto:paulinster at gmail.com>> wrote:
>
>             That make sense to use the colocation. So I guess that I should define a
>             "master" resource and tell each other resource that they should
>             colocated
>             on the same node at the "master" resource.
>
>
>         You could also use a resource set to achieve this, but I don't know the
>         pcs syntax for it.
>
>
>     You can create a resource set with pcs like this:
>     pcs constraint colocation set resourceA resourceB ...
>
>     Thanks!
>     Chris
>
>
>
>         Regards,
>               Lars
>
>
>
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