[ClusterLabs] Xen OCF RA (Xen_Status_with_Retry()): cnt should be configurable

Dejan Muhamedagic dejanmm at fastmail.fm
Fri Jul 3 05:25:26 EDT 2015


On Fri, Jul 03, 2015 at 08:50:30AM +0200, Ulrich Windl wrote:
> Hi!
> I had a look into the Xen RA of SLES11 (resource-agents-3.9.5- In Xen_Status_with_Retry() there is a 5-second re-probe interval that cannot be configured.
> If you use pygrub with "timeout 8" to start your Xen VMs, I see a potential problem:
> While pygrub is counting down the Xen monitor may be unable to detect the VM. Right?

Are you sure about that? Shouldn't the guest be listed anyway?

If so, then yes, we may need to have this count exposed as a
parameter. The reason it wasn't is that it is there just to cover
a deficiency in xen which nobody should really care about.



> So should that "cnt=5" in Xen_Status_with_Retry() be configurable?
> Regards,
> Ulrich
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