On 5/3/21 7:19 AM, Andrei Borzenkov wrote:
This was already asked for the same reason. No, there is not. The goal
of monitor is to find out whether resource is active or not. If
prerequisite resources are not there, resource cannot be active.
Is there a way to have a delayed start?
At the end of the day, the way VirtualDomain works has been very
troublesome for me. The second that the config file isn't available
pacemaker thinks that the domain is down and starts kicking the stool
from under things, even if the domain is running just fine. It seems to
You misunderstand what happens. Probes check whether specific resource
is running on specific node (which allows pacemaker to skip resource
start if it already active, e.g. after pacemaker service was restarted).
Then pacemaker recomputes resource distribution. It does it every time
something changed. So when node2 came back and pacemaker reevaluated
resource placement node2 became preferred choice. The choice is
preferred because "crm resource move vm-testvm node2" creates constraint
that tells exactly that - resource vm-testvm MUST run on node2 if node2
is available to run resources.
Pacemaker did exactly what you told it to do.
See "crm resource clear" for the way to remove such constraints.
Thanks for the help, I found the issue. The problem was a boot order
thing. I was starting libvirt after the cluster, so the VM resetting on
unfencing wasn't because of the monitor, it was because it tried to
migrate, found that it couldn't, failed, then stopped the resource and
tried again, but the second time libvirt was up, so it worked.
I have another question:
How do I access to resource 'reload' action on my custom resource using
crmsh?
I don't see a 'crm resource reload' and it appears that a restart causes
all of the resources that depend on it to stop/start. My resource does
have a reload action and the 'crm ra info' shows the action, I just
can't seem to call it.
Thanks,
Matt
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