[Pacemaker] Migrating resources on custom conditions

[Andrew Beekhof]

On 20 Feb 2014, at 7:34 pm, Dan Markhasin <minimizer at gmail.com> wrote:

> Hi,
> 
> I am wondering if it is possible to configure complex/custom migration rules, so resources would migrate in case there is a problem with the current node it is running on.
> 
> i.e.
> 
> If the node has a bad disk, or high load, the resource should be migrated to a different node.

If you write a resource agent that monitors any or all of the above conditions and add it to the cluster as an unmanaged clone resource, then you can colocate things with it.
At the point the disk goes bad, the resource appears to have stopped and the real resources will be moved somewhere else.

> I didn't find any examples for such custom rules in the documentation. Is it possible ?
> 
> Thanks,
> Dan
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