[Pacemaker] How to send email-notification on failure of resource in cluster frame work

[Michael Schwartzkopff]

> On Tue, Mar 29, 2011 at 3:29 AM, Vadym Chepkov <vchepkov at gmail.com> wrote:
> > On Mar 24, 2011, at 12:46 AM, Rakesh K wrote:
> >> Hi ALL
> >> Is there any way to send Email notifications when a resource is failure
> >> in the cluster frame work.
> >> 
> >> while i was going through the Pacemaker-explained document provided in
> >> the website www.clusterlabs.org
> >> 
> >> There was no content in the chapter 7 --> which is sending email
> >> notification events.
> >> 
> >> can anybody help me regarding this.
> >> 
> >> for know i am approaching the crm_mon --daemonize --as-html <path ot
> >> fil> to maintain the status of HA in html file.
> >> 
> >> Is there any other approach for sending email notification.
> > 
> > Last time I checked, crm_mon is not well suited for this purpose.
> > 
> > crm_mon has the following option
> > 
> >       -T, --mail-to=value
> >              Send  Mail  alerts  to  this  user.    See   also  
> > --mail-from, --mail-host, --mail-prefix
> > 
> > But you will end-up with obscene amount of e-mails, I was blocked from
> > gmail when I tried to use it once :) For one resource failure you will
> > get 4 e-mails: monitor,stop,start,monitor. Now imagine if it was a most
> > significant member of a group or worse, node failure...
> > 
> > nagios would be better suited for this purpose, but, unfortunately,
> > crm_mon is broken
> > (http://developerbugs.linux-foundation.org/show_bug.cgi?id=2344) for
> > quite awhile.
> 
> The fix is going to have to come from the community, I don't have any
> knowledge of nagios
> 
> > I am yet to find a good monitoring solution for pacemaker, hopefully
> > somebody had more success and will share.

Use SNMP. It is the standard protocol for monitoring. Add a "extend" line to 
your snmpd.conf to call a script that returns the number of failcounts. You 
can easily monitoring this with every NMS. For nagios use check_snmp.

Greetings,

-- 
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München

Tel: (0163) 172 50 98
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