On Mon, Mar 29, 2021 at 10:32 PM Klaus Wenninger <kwenn...@redhat.com> wrote:
> On 3/29/21 8:44 AM, d tbsky wrote: > > Reid Wahl <nw...@redhat.com> > >> An order constraint set with kind=Serialize (which is mentioned in the > first reply to the thread you linked) seems like the most logical option to > me. You could serialize a set of resource sets, where each inner set > contains a VirtualDomain resource and an ocf:heartbeat:Delay resource. > >> > >> 5.3.1. Ordering Properties ( > https://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/2.0/html-single/Pacemaker_Explained/index.html#idm46061192464416 > ) > >> 5.6. Ordering Sets of Resources ( > https://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/2.0/html-single/Pacemaker_Explained/index.html#s-resource-sets-ordering > ) > > thanks a lot! I don't know there is an official RA acting as > > delay. that's interesting and useful to me. > In this case it might be useful not to wait some defined time > hoping startup of the VM would have gone far enough that > the IO load has already decayed enough. > Agreed. What about a resource that checks for something running > inside the VM that indicates that startup has completed? > Don't remember if the VirtualDomain RA might already > have such a probe possibility. > Interestingly, you can add whatever you want to the monitor operation: monitor_scripts: To additionally monitor services within the virtual domain, add this parameter with a list of scripts to monitor. Note: when monitor scripts are used, the start and migrate_from operations will complete only when all monitor scripts have completed successfully. Be sure to set the timeout of these operations to accommodate this delay. > Klaus > > _______________________________________________ > > Manage your subscription: > > https://lists.clusterlabs.org/mailman/listinfo/users > > > > ClusterLabs home: https://www.clusterlabs.org/ > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ > -- Regards, Reid Wahl, RHCA Senior Software Maintenance Engineer, Red Hat CEE - Platform Support Delivery - ClusterHA
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