[ClusterLabs] DLM standalone without crm ?

[Lentes, Bernd]

----- Am 27. Jun 2016 um 9:04 schrieb Christine Caulfield ccaulfie at redhat.com:

> On 26/06/16 14:47, Lentes, Bernd wrote:
>> 
>> 
>> ----- Am 26. Jun 2016 um 7:59 schrieb Ferenc Wágner wferi at niif.hu:
>> 
>>> "Lentes, Bernd" <bernd.lentes at helmholtz-muenchen.de> writes:
>>>
>>>> wferi at niif.hu writes:
>>>>
>>>>> "Lentes, Bernd" <bernd.lentes at helmholtz-muenchen.de> writes:
>>>>>
>>>>>> is it possible to have a DLM running without CRM?
>>>>>
>>>>> Yes. You'll need to configure fencing, though, since by default DLM
>>>>> will try to use stonithd (from Pacemaker). But DLM fencing didn't
>>>>> handle fencing failures correctly for me, resulting in more nodes
>>>>> being fenced until quorum was lost,
>>>>
>>>> do you have a howto ? Or is there one on the net ?
>>>
>>> dlm-controld has both a SysV init script and a systemd service file, you
>>> can use either one to start it (they take care of mounting configfs and
>>> loading the necessary kernel modules).  Just start it on your nodes when
>>> you have quorum.
>> 
>> Hi,
>> 
>> i don't have neither an init-script nor a systemd service file.
>> The only packages i find in the repositories concerning dlm are:
>> libdlm3-3.00.01-0.31.87
>> libdlm-3.00.01-0.31.87
>> And i have a kernel module for dlm.
>> Nothing else.
>> 
>>
> 
> 
> If you have that version of DLM then the cman package will have the
> dlm_controld daemon and init scripts in it. With that version you can
> run DLM without crm but not without cman. cman is required.
> 
> Chrissie
> 

Hi Chrissie,

Isn't cman a crm ? Basically the same as pacemaker ?
It seems in the end i have to use a crm.
So i will try it directly with pacemaker, because i have a SuSE system,
and cman is Red Hat stuff, isn't it ?

Bernd
 

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