You should probably be talking about this on the pacemaker list, since
we're not talking about openais anymore.


On Tue, Nov 17, 2009 at 9:48 PM, Frank DiMeo <[email protected]> wrote:
> Hi,
>
> I'm running a two node cluster and trying to control process collocation.  I 
> have two resources defined, and have two different xml files that I use to 
> configure the cluster (which are enclosed).  The xml files are identical 
> except that one specifies that the resources are sequential while the other 
> does not.  I thought that the resources would always be collocated, but that 
> they would either start sequentially or not, depending on the assignment of 
> "sequential=" in the resource_set tag.

No.  You specify ordering with an ordering constraint.

Please read:
  
http://clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s-resource-sets-ordering.html
and
  
http://clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s-resource-sets-collocation.html

>
> What actually happens is that the resources collocate if the 
> sequential="true", but they do not collocate if sequential="false".  I 
> thought that "sequential" only affected the startup sequence of the 
> resources, but that the resources would always collocate.
>
> Did I misunderstand the documentation?
>
> -Thanks in advance for your comments.
>
> -Frank
>
>
>
>
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