[Pacemaker] Colocating resources on the same physical server when resources are run inside virtual servers

[Andreas Kurz]

Hello,

On 11/16/2011 09:04 PM, Attila Megyeri wrote:
> Hi Team,
> 
>  
> 
> Resources “A” and “B” are running within virtual servers. There are two
> physical servers “ph1” and “ph2” with two virtualized nodes on each.
> 
>  
> 
> What would be the easiest way to have a specific resource (e.g. resource
> "A") move to another node (From node "1" to node "2") in case when a
> different resource (e.g. "B")
> 
> moves from node 3 to node 4?
> 
>  
> 
> Resources "A" and "B" are independent, but nodes 1 and 3 are virtual
> servers running on physical host "ph1" whereas nodes 2 and 4 are virtual
> servers on physical host "ph2" and
> 
> the goal is to have resources "A" and "B" run on the same physical
> (host) server.

Is this one cluster or are these two independent clusters?

For one cluster there would the (hidden,undocumented) feature to use a
node-attribute in colocation constraints unfortunately the crm shell is
not aware of this feature so you would have to manipulate the cib
directly ... might be worth trying.

Regards,
Andreas

-- 
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> 
>  
> 
> Thank you in advance,
> 
>  
> 
> Bests
> 
>  
> 
> Attila
> 
>  
> 
>  
> 
>  
> 
> 
> 
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