[ClusterLabs] ocfs2 + pacemaker

[Gang He]

On 9/23/2020 6:02 PM, Michael Ivanov wrote:
> Hallo Gang,
> 
> Thanks for the directions. I have read through the docs you pointed to 
> and yes o2cb is not mentioned at all.
> Does it mean ocfs2 can work without o2cb at all now? 
Yes.

> Before I had to define an ocfs2-specific cluster
> in /etc/ocfs2/cluster.conf and specify the name of this cluster when 
> creating ocfs2 file system.
> Should I understand that current ocfs2 implementation does not need this 
> when configured under pacemaker?
Yes. You need not to do that, if you use pacemaker to setup a cluster.
You should refer to SUSE HA doc for how to setup pacemaker/corosync 
cluster stack.
Then, add dlm resource clone, and add ocfs2 resource clone.


Thanks
Gang


> 
> Best regards,
> 
> On 23.09.2020 10:11, Gang He wrote:
>> Hello Michael,
>>
>> ocfs2:o2cb resource is provided by resource-agents on SELS 11.x series.
>> For the new SLES series(e.g. 12 or 15), there is not o2cb resource 
>> agent in resource-agent rpm, since this resource is not needed.
>> You can refer to new SUSE HA guide for how to setup ocfs2 on pacemaker 
>> cluster.
>> e.g.
>> https://documentation.suse.com/sle-ha/15-SP1/single-html/SLE-HA-guide/#book-sleha-guide 
>>
>>
>> Thanks
>> Gang
>>
>> On 9/23/2020 5:26 AM, Michael Ivanov wrote:
>>> Hallo,
>>>
>>> I am trying to get ocfs2 running under pacemaker. The description I 
>>> found at
>>> https://wiki.clusterlabs.org/wiki/Dual_Primary_DRBD_+_OCFS2#The_o2cb_Service 
>>>
>>> refers to ocf:ocfs2:o2cb resource. But I cannot find it anywhere.
>>>
>>> I'm building the cluster using debian/testing (pacemaker 2.0.4, 
>>> ocfs-tools 1.8.6)
>>>
>>> Best regards,
>>>
>>
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