[Pacemaker] Additional help with ClusterMon

[Andrew Beekhof]

On 18/06/2013, at 11:58 PM, Michael Furman <michael_furman at hotmail.com> wrote:

> I was able to run the ClusterMon agent.
> 
> Couple of comments:
> 1.       When I uses ocf:pacemaker:ClusterMon it crashes a lot with the following core file:
> 
> file core.22992
> core.22992: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style, from '/usr/sbin/crm_mon -p /tmp/ClusterMon_ClusterMon.pid -d -i 0 -E /usr/local/bin/e'

Can you open that file up in gdb and run:  where
That will tell us why it is crashing.

Also, what version is this?

>  
> 2.       I required to use ocf:heartbeat:ClusterMon. I found the way to configure it with pcs:
> pcs resource create ClusterMonScript1  ocf:heartbeat:ClusterMon params user="root" update="30" extra_options="-E /usr/local/bin/example.sh" op monitor on-fail="restart" interval="20"
> 
> 
> Unfortunately, ClusterMon get only resource oriented event. In addition, it does not get event on the node that become stand-by and get the event only on the node that become master.

Right, someone would have to implement that.

> 
>  
> I want to do get the following events:
> 1.       On the node that become from active to stand-by the event that tell: “the node become from active to stand-by”
> 
> 2.       On node that become from standby to active the event that tell: “the node become from stand-by to active”
> 
> Questions:
> 
> 1.       How it possible to configure ClusterMon to get such functionality?
> 2.       Is exists other agent that allows me to get events described above?
> Thanks for your help,
> Michael
>  
> 
> 
> From: michael_furman at hotmail.com
> To: pacemaker at oss.clusterlabs.org
> Date: Fri, 14 Jun 2013 22:53:55 +0300
> Subject: Re: [Pacemaker] Is it possible to add to add scripts when active / standby nodes are changed?
> 
> Thank you for your hint!
> I have found everything I need here:
> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html-single/Pacemaker_Explained/index.html#idm61451840
> 
> 
> > From: andrew at beekhof.net
> > Date: Fri, 14 Jun 2013 10:56:36 +1000
> > To: pacemaker at oss.clusterlabs.org
> > Subject: Re: [Pacemaker] Is it possible to add to add scripts when active /	standby nodes are changed?
> > 
> > Perhaps check out crm_mon --external-agent
> > 
> > On 14/06/2013, at 12:47 AM, Michael Furman <michael_furman at hotmail.com> wrote:
> > 
> > > Hi all!
> > > I want to execute some actions when active / standby nodes are changed.
> > > I want to do the following:
> > > 1. Send SMTP mail
> > > 2. Add message to syslog
> > > 3. Execute my script
> > > I want to do it in the following cases:
> > > 1. On the node that become from active to standby
> > > (May be some action will not work since something bad happens :) )
> > > 2. On node that become from standby to active
> > > 
> > > Is it possible to do with Pacemaker 1.1.8?
> > > Thanks for your help!
> > > Michael
> > > _______________________________________________
> > > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > > 
> > > Project Home: http://www.clusterlabs.org
> > > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > > Bugs: http://bugs.clusterlabs.org
> > 
> > 
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > 
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> 
> _______________________________________________ Pacemaker mailing list: Pacemaker at oss.clusterlabs.orghttp://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started:http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
> _______________________________________________
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> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org