[Cluster-devel] [Linux-HA] [Pacemaker] pcmk + corosync + cman for dlm support?

[Nick Khamis]

I am actually buiding everything from source (glue, RA, pcmk,
corosync/openais, dlm and friends),
hoping that way I do not have to wait for the release of fedora 17
(May 2012). I actually need this
as soon as possible.

Nick


On Wed, Nov 2, 2011 at 6:29 AM, Andrew Beekhof <andrew at beekhof.net> wrote:
> On Wed, Nov 2, 2011 at 12:20 PM, Nick Khamis <symack at gmail.com> wrote:
>> 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?
>
> Maybe fedora 17
>
>>
>> Thanks in Advance,
>>
>> Nick.
>>
>> On Mon, Oct 31, 2011 at 4:52 AM, Andrew Beekhof <andrew at beekhof.net> wrote:
>>> On Sat, Oct 29, 2011 at 3:09 AM, Nick Khamis <symack at 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 at 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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