[Pacemaker] pacemaker + rhel6 and clvmd

Wed Mar 14 22:14:26 UTC 2012

On 03/14/2012 01:05 PM, David Coulson wrote:
> Are you running 'real' RHEL6?
> 
> If so, cman + clvmd + gfs2 is the way to go. You can run pacemaker on
> top of all of that (without openais) to manage your resources if you
> don't want to use rgmanager.
> 
> I've never tried to run clvmd out of pacemaker, but there is a init.d
> script for it in RHEL6, so that might 'just work'.

As David suggests ... go with cman+pacamaker as described in "Cluster
from Scratch" ...
http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Clusters_from_Scratch/index.html

Regards,
Andreas

-- 
Need help with Pacemaker?
http://www.hastexo.com/now

> 
> On 3/14/12 7:57 AM, Mark Frasa wrote:
>> Hmm:
>>
>> ls -l /usr/lib/ocf/resource.d/lvm2/clvmd
>> ls: cannot access /usr/lib/ocf/resource.d/lvm2/clvmd: No such file or
>> directory
>> [root at node0 ~]# yum whatprovides /usr/lib/ocf/resource.d/lvm2/clvmd
>> Loaded plugins: product-id, rhnplugin, subscription-manager
>> Updating certificate-based repositories.
>> No Matches found
>>
>> Its not there and yum doesn't know where to get it either. Any ideas?
>>
>> On Wed, Mar 14, 2012 at 12:46 PM, emmanuel segura<emi2fast at gmail.com> 
>> wrote:
>>> Verify if you have the resource
>>>
>>>   ls -l /usr/lib/ocf/resource.d/lvm2/clvmd
>>>
>>> Il giorno 14 marzo 2012 12:15, Mark Frasa<mark at frasa.net>  ha scritto:
>>>> Hello,
>>>>
>>>>
>>>> We are trying to build 3-node cluster with shared-storage (FC-SAN). On
>>>> this cluster we need clustered-lvm2 to provide storage to our vm's.
>>>> Now we have seems a few tutorials on howto setup clvmd and all of them
>>>> are trying to include ocfs2 (which i guess we don't have on RHEL6):
>>>>
>>>> configure DLM:
>>>>
>>>> crm(live)configure# primitive dlm ocf:pacemaker:controld \
>>>>>        op monitor interval="60" timeout="60"
>>>> WARNING: dlm: default timeout 20s for start is smaller than the
>>>> advised 90
>>>> WARNING: dlm: default timeout 20s for stop is smaller than the
>>>> advised 100
>>>> crm(live)configure# group base-group dlm
>>>> crm(live)configure# clone base-clone base-group \
>>>>>        meta interleave="true"
>>>> crm(live)configure#
>>>> crm(live)configure# commit
>>>> WARNING: dlm: default timeout 20s for start is smaller than the
>>>> advised 90
>>>> WARNING: dlm: default timeout 20s for stop is smaller than the
>>>> advised 100
>>>>
>>>> configure CLVMD:
>>>>
>>>> crm(live)configure# primitive clvm ocf:lvm2:clvmd \
>>>>>        params daemon_timeout="30"
>>>> lrmadmin[10127]: 2012/03/14_11:32:53 ERROR:
>>>> lrm_get_rsc_type_metadata(578): got a return code HA_FAIL from a reply
>>>> message of rmetadata with function get_ret_from_msg.
>>>> ERROR: ocf:lvm2:clvmd: could not parse meta-data:
>>>> ERROR: ocf:lvm2:clvmd: no such resource agent
>>>>
>>>> So it seems like we are missing a resource-agent named: clvmd, OR it
>>>> could have to do something with my setup (referring to the HA_FAIL
>>>> message)?
>>>> Also i have found a thread where Andrew Beekhof recommends fetching
>>>> the o2cb script if you are missing ocf:lvm2:clvmd resource agent:
>>>>
>>>> http://www.gossamer-threads.com/lists/linuxha/pacemaker/59480
>>>>
>>>> It seems i am kinda lost here and i have no idea where to look for the
>>>> clmvd resource-agent. Does anyone have this kind of setup running in
>>>> RHEL6 (or CentOS for that matter) and is willing to point me in the
>>>> right direction?
>>>>
>>>> Any help is highly appreciated!
>>>>
>>>>
>>>> Kind Regards,
>>>> Mark Frasa.
>>>>
>>>> Ps: here is the base crm config we currently use:
>>>>   http://pastebin.com/2KWMruCT
>>>>
>>>> _______________________________________________
>>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>>
>>>> Project Home: http://www.clusterlabs.org
>>>> Getting started:
>>>> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>> Bugs: http://bugs.clusterlabs.org
>>>>
>>>
>>>
>>> -- 
>>> esta es mi vida e me la vivo hasta que dios quiera
>>>
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>>>
>>> Project Home: http://www.clusterlabs.org
>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> Bugs: http://bugs.clusterlabs.org
>>>
>> _______________________________________________
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>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
> 
> _______________________________________________
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> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org

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