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[Cluster-devel] pcmk+corosync controld,dlm support without cman



That would be really great. Is there any talk of when the next stable
release of:
* pcmk+corosync supporting direct communication with dlm gfs, controld
* The separation of dlm, gfs, controld from cman

will be availabile?

Thanks in Advance,

Nick.

On Mon, Oct 31, 2011 at 4:52 AM, Andrew Beekhof <andrew beekhof net> wrote:
> On Sat, Oct 29, 2011 at 3:09 AM, Nick Khamis <symack gmail com> wrote:
>> Hello Gents,
>>
>> Thank you so much for your response. That being said, what are the
>> plans once the next
>> release of CMAN does not include PCMK and DLM related implementation? From what
>> I can see, libdlm will be separated from the project completely.
>
> When CMAN goes away, the dlm gfs controld's will be talking directly
> to corosync.
> I believe the work has already been done but may need additional testing.
>
>>
>> Thanks in Advance,
>>
>> Nick.
>>
>> On Fri, Oct 28, 2011 at 3:34 AM, Vladislav Bogdanov
>> <bubble hoster-ok com> wrote:
>>> 28.10.2011 04:04, Nick Khamis wrote:
>>>> Hello Everyone,
>>>>
>>>> I just want to make sure this is still the case before I go through
>>>> with it. I am trying to setup an
>>>> active/active using:
>>>>
>>>> Corosync 1.4.2
>>>> Pacemaker 1.1.6
>>>> Cluster3
>>>> DRBD 8.3.7
>>>> OCFS2
>>>>
>>>> The only reason I installed Cluster3 was for dlm support. Fencing
>>>> would be handled by stonithd.
>>>> Is there any reason I need to fully install and configure two cluster
>>>> managers. Defining nodes in
>>>> both cman and corosync/openais?
>>>
>>> You may look at
>>> http://www.mail-archive.com/pacemaker oss clusterlabs org/msg09959.html
>>>
>>> That message contains Andrew's dlm_controld patch for shortening fencing
>>> path - it now talks directly to stonith subsystem, rebased for 3.0.17,
>>> and some fixes to make it all compile. Some work should probably be done
>>> to make it apply/compile on latest cluster3.
>>>
>>> That way I eliminate cman from stack (except some dlm-related libs) and
>>> run cluster with stable fencing on top of corosync/openais.
>>>
>>> Best,
>>> Vladislav
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