[Pacemaker] Behavior when crm_mon is a daemon

Yuichi SEINO seino.cluster2 at gmail.com
Thu Apr 18 21:05:17 EDT 2013


HI,

2013/4/16 Andrew Beekhof <andrew at beekhof.net>:
>
> On 15/04/2013, at 7:42 PM, Yuichi SEINO <seino.cluster2 at gmail.com> wrote:
>
>> Hi All,
>>
>> I look at the daemon of tools to make a new daemon. So, I have a question.
>>
>> When the old pid file existed, crm_mon is start as a daemon. Then,
>> crm_mon don't update this old pid file. And, crm_mon doesn't stop.
>> I would like to know if this behavior is correct.
>
> Some of it is, but the part about crm_mon not updating the pid file (which is probably also preventing it from stopping) is bad.
I understood that it is a negative behavior.
If we figure out a problem, I think that we want to fix it.

Sincerely,
Yuichi

>
>>
>> I replicate this situation.
>>
>> [root at coro-n1 ~]# ps -ef | grep crm_mon
>> root     12967 12517  0 18:18 pts/1    00:00:00 grep crm_mon
>> [root at coro-n1 ~]# cat /tmp/ClusterMon.pid
>>       958
>> [root at coro-n1 ~]# crm_mon --daemonize --as-html /tmp/aaa.html
>> [root at coro-n1 ~]# ps -ef | grep crm_mon
>> root     13051     1  0 18:18 pts/1    00:00:00 crm_mon --daemonize
>> --as-html /tmp/aaa.html
>> root     13053 12517  0 18:18 pts/1    00:00:00 grep crm_mon
>> [root at coro-n1 ~]# cat /tmp/ClusterMon.pid
>>       958
>>
>> Sincerely,
>> Yuichi
>>
>> --
>> Yuichi SEINO
>> METROSYSTEMS CORPORATION
>> E-mail:seino.cluster2 at gmail.com
>>
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>
>
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--
Yuichi SEINO
METROSYSTEMS CORPORATION
E-mail:seino.cluster2 at gmail.com




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