[Pacemaker] Signal hangup handling for pacemaker and corosync

[Andrew Beekhof]

On 15 Jul 2014, at 8:00 pm, Arjun Pandey <apandepublic at gmail.com> wrote:

> Right. Actually the issue i am facing is that i am starting the
> pacemaker service remotely from a wrapper and thus pacemakerd dies
> when the wrapper exits.nohup solves the problem but then HUP cannot be
> used by pacemaker. Is this workaround ok ?

I guess. How are you starting pacemaker?  Usually its with some variant of 'service pacemaker start'.

> 
> I was checking out the current pacemaker code.setsid is called for
> each child process.However if we do this for main process to then it
> will also be detached from the terminal.
> 
> Regards
> Arjun
> 
> 
> 
> On Tue, Jul 15, 2014 at 3:01 PM, Andrew Beekhof <andrew at beekhof.net> wrote:
>> 
>> On 15 Jul 2014, at 7:13 pm, Arjun Pandey <apandepublic at gmail.com> wrote:
>> 
>>> Hi Andrew
>>> 
>>> AFAIK linux daemons don't terminate on SIGHUP.
>> 
>> Read the man page, POSIX specifies that the default action is 'term' ie. 'terminate'.
>> 
>>> They typically reload
>>> configuration on receiving this signal.Eg- rsyslogd. I thought it was
>>> safe to make this assumption here as well.
>> 
>> Not anywhere as it turns out
>> 
>>> 
>>> Regards
>>> Arjun
>>> 
>>> On Tue, Jul 15, 2014 at 2:15 PM, Andrew Beekhof <andrew at beekhof.net> wrote:
>>>> 
>>>> On 15 Jul 2014, at 6:19 pm, Arjun Pandey <apandepublic at gmail.com> wrote:
>>>> 
>>>>> Hi all
>>>>> 
>>>>> I am running pacemaker version 1.1.10-14.el6 on CentOS 6. On setting
>>>>> up cluster if I send SIGHUP to either pacemaker or corosync services ,
>>>>> they die.
>>>>> Is this a bug ? What is the intension behind this behavior?
>>>> 
>>>> Standard default I believe.
>>>> Have you run 'man 7 signal' lately?
>>>> 
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>>> 
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>> 
>> 
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>> 
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>> Bugs: http://bugs.clusterlabs.org
>> 
> 
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> 
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