[Pacemaker] Best way to notify stonith action

Andrew Beekhof andrew at beekhof.net
Tue Jul 9 02:49:50 UTC 2013


On 09/07/2013, at 12:50 AM, Andreas Mock <Andreas.Mock at web.de> wrote:

> Hi all,
> 
> thank you for your recommendations.
> I just hoped that there is something pacemaker internal,
> e.g. like sending traps via snmp or something like that.

This is something crm_mon can now send traps, emails or call scripts for.

> 
> Best regards
> Andreas Mock
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: Digimer [mailto:lists at alteeve.ca] 
> Gesendet: Montag, 8. Juli 2013 16:01
> An: The Pacemaker cluster resource manager
> Cc: Andreas Mock
> Betreff: Re: [Pacemaker] Best way to notify stonith action
> 
> On 08/07/13 03:48, Andreas Mock wrote:
>> Hi all,
>> 
>> I'm just wondering what the best way is to
>> let an admin know that the cluster (rest of
>> a cluster) has stonithed some other nodes?
>> 
>> What is the recommended way?
>> (The fact that the machine rebooted or is
>> halted is not the problem. I want to know
>> that stonithing was done)
>> 
>> Best regards
>> Andreas Mock
> 
> Personally, I have a little monitoring script I wrote that watches the 
> cluster resources, local hardware (via the IPMI BMC), UPSes and 
> what-not. It loop every 30 seconds and sends an email if/when anything 
> of note changes. A node being fenced certainly raises a flag and emails 
> go out.
> 
> My script is principally for cman + rgmanager, but it should be easy to 
> craft your own, too. I just read in the current state of things, compare 
> against the values in the last scan, decide whether to send an email or 
> not, copy the just-read values over to the last-scan values and delete 
> the "new" values and go back to sleep for 30 seconds.
> 
> hth
> 
> -- 
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without 
> access to education?
> 
> 
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