[ClusterLabs] ocf:pacemaker:ping every X seconds

[Rohit Saini]

Thanks Andrei. Added the logs and found pings happening every X sec.

On Fri, Oct 9, 2020 at 11:40 AM Andrei Borzenkov <arvidjaar at gmail.com>
wrote:

> 09.10.2020 08:21, Rohit Saini пишет:
> > Hi Team,
> > I am using  ocf:pacemaker:ping resource to check aliveness of a machine
> > every X seconds. As I understand, monitor interval 'Y' will cause ping to
> > happen every 'Y' seconds. So, for my case, Y should be equal to X?
> > I do not see this behavior though. I see pings happening every 7 seconds.
>
> No. What you see is ping *failing* every 7 seconds (BTW second interval
> is 9 seconds, not 7). If you want to see every ping, add debug output to
> agent to log also successful ping.
>
> > 1) How is 7 sec coming here?
> > 2) What do I need to do to make ping happen every X seconds.
> >
> > *Configuration:*
> > pcs resource delete rsc1
> > pcs resource create rsc1 ocf:pacemaker:ping host_list="192.168.168.3"
> > debug=true attempts=3 timeout=200ms
> > pcs resource update rsc1 op monitor interval=2s
> >
> > *Pcs config:*
> > [root at rohit-abc1 ~]# pcs config
> > Cluster Name: ucc1
> > Corosync Nodes:
> >  rohit-abc1 rohit-abc2
> > Pacemaker Nodes:
> >  rohit-abc1 rohit-abc2
> >
> > Resources:
> >  Master: ucc1-master
> >   Meta Attrs: master-node-max=1 clone-max=2 ordered=true master-max=1
> > notify=true clone-node-max=1
> >   Resource: ucc1 (class=ocf provider=pw type=uc)
> >    Attributes: state=/var/run/uc/role
> >    Operations: demote interval=0 on-fail=restart timeout=20
> > (ucc1-demote-interval-0)
> >                monitor interval=10 role=Master timeout=20
> > (ucc1-monitor-interval-10)
> >                monitor interval=11 role=Slave timeout=20
> > (ucc1-monitor-interval-11)
> >                promote interval=0 on-fail=restart timeout=20
> > (ucc1-promote-interval-0)
> >                start interval=0s timeout=20 (ucc1-start-interval-0s)
> >                stop interval=0s timeout=20 (ucc1-stop-interval-0s)
> >  Resource: rsc1 (class=ocf provider=pacemaker type=ping)
> >   Attributes: attempts=3 debug=true host_list=192.168.168.3 timeout=200ms
> >   Operations: monitor interval=2s (rsc1-monitor-interval-2s)
> >               start interval=0s timeout=60 (rsc1-start-interval-0s)
> >               stop interval=0s timeout=20 (rsc1-stop-interval-0s)
> >
> > *Output:*
> > [root at rohit~]# taillog |grep 192.168.168.3
> > 2020-10-09T05:16:54.628154+00:00 rohit ping(rsc1)[1721]: WARNING:
> > 192.168.168.3 is inactive
> > 2020-10-09T05:17:01.427983+00:00 rohit ping(rsc1)[1778]: WARNING:
> > 192.168.168.3 is inactive
> > 2020-10-09T05:17:10.194989+00:00 rohit ping(rsc1)[1858]: WARNING:
> > 192.168.168.3 is inactive
> >
> > Thanks,
> > Rohit
> >
> >
> > _______________________________________________
> > 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/
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.clusterlabs.org/pipermail/users/attachments/20201009/73ea9073/attachment.htm>