>>> Tom Parker <[email protected]> schrieb am 03.07.2015 um 16:34 in Nachricht <[email protected]>: > xm list shows the running vm even when it's in the pygrub countdown. I > have just double checked that in my SLES SP3 environment.
OK, I was wrong: Actually the VM is listed with state "--p---" while in pygrub. The RA checks for "status 1" or "status 2" (or "[-r][-b][-p]---"). I'm not sure whether "--p---" corresponds to "status 1" or "status 2". Regards, Ulrich > > I also think the status with retry was only called in the case where a > vm that we expect to be running suddenly is not. It's to work around an > issue in Xen where a rebooting vm momentarily disappears from xm list. > In all cases we have never seen a vm being gone for more than 1 or 2 > seconds. > > Tom > > On 07/03/2015 05:25 AM, Dejan Muhamedagic wrote: >> Hi, >> >> 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-3.9.5-0.37.38.19). >>> 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. >> >> Thanks, >> >> Dejan >> >>> So should that "cnt=5" in Xen_Status_with_Retry() be configurable? >>> >>> Regards, >>> Ulrich >>> >>> >>> >>> _______________________________________________ >>> Users mailing list: [email protected] >>> http://clusterlabs.org/mailman/listinfo/users >>> >>> Project Home: http://www.clusterlabs.org >>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >>> Bugs: http://bugs.clusterlabs.org >> _______________________________________________ >> Users mailing list: [email protected] >> http://clusterlabs.org/mailman/listinfo/users >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org > > > _______________________________________________ > Users mailing list: [email protected] > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Users mailing list: [email protected] http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
