[Pacemaker] Specifying a location rule with a resource:role

[Andreas Kurz]

On 07/24/2012 09:03 PM, Jay Janssen wrote:
> Hi all,
>   Simple crm configure syntax question (I think).  I'm trying to make a
> given role (a 'Master' in a master/slave set) from being location on a
> given node.  However, the "obvious" syntax (at least in my mind) doesn't
> work:
> 
> location avoid_being_the_master ms_MySQL:Master -1000: my_node
> location never_be_the_master ms_MySQL:Master -inf: my_node

This notation is a special shortcut and does not allow setting the role
... try:

location avoid_being_the_master ms_MySQL \
          rule $role=Master -1000: #uname eq my_node
location never_be_the_master ms_MySQL \
          rule $role=Master -inf: #uname eq my_node

Regards,
Andreas

-- 
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> 
>   This man page tells me I'm
> close: http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/ch06s07.html ,
> I suspect it's the :Master rule that is screwing me up.  How can I
> specify the Master role?  The following colocation rule works fine:
> 
> colocation writer_vip_on_master inf: writer_vip ms_MySQL:Master
> 
> Jay Janssen, MySQL Consultant, Percona Inc.
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> 
> 
> 
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