[Pacemaker] CMAN and Pacemaker with IPv6

Teerapatr Kittiratanachai maillist.tk at gmail.com
Tue Jul 15 03:02:55 UTC 2014 

Honza

Great, Thank you very much.

But the terrible thing for me is I'm using the package from OpenSUSE repo.
When i turn back to CentOS repo, which store lower version, the
Dependency problem has occurred.

Anyway, thank you for your help.

Teenigma

On Mon, Jul 14, 2014 at 8:51 PM, Jan Friesse <jfriesse at redhat.com> wrote:
>> Honza,
>>
>> How do I include the patch with my CentOS package?
>> Do I need to compile them manually?
>
>
> Yes. Also official CentOS version was never 1.4.5. If you are using CentOS,
> just use stock 1.4.1-17.1. Patch is included there.
>
> Honza
>
>
>>
>> TeEniGMa
>>
>> On Mon, Jul 14, 2014 at 3:21 PM, Jan Friesse <jfriesse at redhat.com> wrote:
>>>
>>> Teerapatr,
>>>
>>>
>>>> For more information,
>>>>
>>>>
>>>> these are LOG from /var/log/messages
>>>> ...
>>>> Jul 14 10:28:07 wh00 kernel: : DLM (built Mar 25 2014 20:01:13)
>>>> installed
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [MAIN  ] Corosync Cluster
>>>> Engine ('1.4.5'): started and ready to provide service.
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [MAIN  ] Corosync built-in
>>>> features: nss
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [MAIN  ] Successfully read
>>>> config from /etc/cluster/cluster.conf
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [MAIN  ] Successfully parsed cman
>>>> config
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [TOTEM ] Initializing transport
>>>> (UDP/IP Multicast).
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [TOTEM ] Initializing
>>>> transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).
>>>> Jul 14 10:28:07 wh00 corosync[2716]:   [TOTEM ] The network interface is
>>>> down.
>>>
>>>
>>> ^^^ This line is important. This means, corosync was unable to find
>>> interface with given IPv6 address. There was regression in v1.4.5 causing
>>> this behavior. It's fixed in v1.4.6 (patch is
>>>
>>> https://github.com/corosync/corosync/commit/d76759ec26ecaeb9cc01f49e9eb0749b61454d27).
>>> So you can ether apply patch or (recommended) upgrade to 1.4.7.
>>>
>>> Regards,
>>>    Honza
>>>
>>>
>>>
>>>> Jul 14 10:28:10 wh00 pacemaker: Aborting startup of Pacemaker Cluster
>>>> Manager
>>>> ...
>>>>
>>>> Te
>>>>
>>>> On Mon, Jul 14, 2014 at 10:07 AM, Teerapatr Kittiratanachai
>>>> <maillist.tk at gmail.com> wrote:
>>>>>
>>>>>
>>>>> Dear Honza,
>>>>>
>>>>> Sorry for late reply.
>>>>> After I have tested with all new configuration.
>>>>> On IPv6 only, and with no altname.
>>>>>
>>>>> I face with error below,
>>>>>
>>>>> Starting cluster:
>>>>>      Checking if cluster has been disabled at boot...        [  OK  ]
>>>>>      Checking Network Manager...                             [  OK  ]
>>>>>      Global setup...                                         [  OK  ]
>>>>>      Loading kernel modules...                               [  OK  ]
>>>>>      Mounting configfs...                                    [  OK  ]
>>>>>      Starting cman... corosync died with signal: 6 Check cluster logs
>>>>> for
>>>>> details
>>>>>                                                              [FAILED]
>>>>>
>>>>> And, exactly, there are no any enabled firewall, I also configure the
>>>>> Multicast address as manual.
>>>>> Could you advise me the solution?
>>>>>
>>>>> Many thanks in advance.
>>>>> Te
>>>>>
>>>>> On Thu, Jul 10, 2014 at 6:14 PM, Jan Friesse <jfriesse at redhat.com>
>>>>> wrote:
>>>>>>
>>>>>>
>>>>>> Teerapatr,
>>>>>>
>>>>>>> Hi Honza,
>>>>>>>
>>>>>>> As you said I use the nodename identify by hostname (which be
>>>>>>> accessed
>>>>>>> via IPv6) and the node also has the altname (which be IPv4 address).
>>>>>>>
>>>>>>
>>>>>> This doesn't work. Both hostname and altname have to be same IP
>>>>>> version.
>>>>>>
>>>>>>> Now, I configure the mcast address for both nodename and altname
>>>>>>> manually. The CMAN and Pacemaker can start ad well. But they don't
>>>>>>> communicate to another node.
>>>>>>
>>>>>>
>>>>>>
>>>>>> PLease make sure (as I've wrote in previous email) your firewall
>>>>>> doesn't
>>>>>> block mcast and corosync traffic (just disable it) and switch doesn't
>>>>>> block multicast (this is very often the case). If these are VMs, make
>>>>>> sure to properly configure bridge (just disable firewall) and allow
>>>>>> mcast_querier.
>>>>>>
>>>>>> Honza
>>>>>>
>>>>>>> On node0, crm_mon show node1 offline. In the same way, node one show
>>>>>>> node0 is down. So the split brain problem occur here.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Te
>>>>>>>
>>>>>>> On Thu, Jul 10, 2014 at 2:50 PM, Jan Friesse <jfriesse at redhat.com>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> Teerapatr,
>>>>>>>>
>>>>>>>>> OK, some problems are solved.
>>>>>>>>> I use the incorrect hostname.
>>>>>>>>>
>>>>>>>>> For now, the new problem has occured.
>>>>>>>>>
>>>>>>>>>     Starting cman... Node address family does not match multicast
>>>>>>>>> address family
>>>>>>>>> Unable to get the configuration
>>>>>>>>> Node address family does not match multicast address family
>>>>>>>>> cman_tool: corosync daemon didn't start Check cluster logs for
>>>>>>>>> details
>>>>>>>>>
>>>>>>>>> [FAILED]
>>>>>>>>>
>>>>>>>>
>>>>>>>> This looks like one of your node is also reachable via ipv4 and ipv4
>>>>>>>> resolving is proffered. Please make sure to set only ipv6 address
>>>>>>>> and
>>>>>>>> try it again. Of course set mcast addr by hand maybe helpful
>>>>>>>> (even-tho
>>>>>>>> I
>>>>>>>> don't believe it will solve problem you are hitting)).
>>>>>>>>
>>>>>>>> Also make sure ip6tables are properly configured and your switch is
>>>>>>>> able
>>>>>>>> to pass ipv6 mcast traffic.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>     Honza
>>>>>>>>
>>>>>>>>> How can i fix it? Or just assigned the multicast address in the
>>>>>>>>> configuration?
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> Te
>>>>>>>>>
>>>>>>>>> On Thu, Jul 10, 2014 at 7:52 AM, Teerapatr Kittiratanachai
>>>>>>>>> <maillist.tk at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I not found any LOG message
>>>>>>>>>>
>>>>>>>>>> /var/log/messages
>>>>>>>>>> ...
>>>>>>>>>> Jul 10 07:44:19 nwh00 kernel: : DLM (built Jun 19 2014 21:16:01)
>>>>>>>>>> installed
>>>>>>>>>> Jul 10 07:44:22 nwh00 pacemaker: Aborting startup of Pacemaker
>>>>>>>>>> Cluster Manager
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>> and this is what display when I try to start pacemaker
>>>>>>>>>>
>>>>>>>>>> # /etc/init.d/pacemaker start
>>>>>>>>>> Starting cluster:
>>>>>>>>>>      Checking if cluster has been disabled at boot...        [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Checking Network Manager...                             [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Global setup...                                         [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Loading kernel modules...                               [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Mounting configfs...                                    [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Starting cman... Cannot find node name in cluster.conf
>>>>>>>>>> Unable to get the configuration
>>>>>>>>>> Cannot find node name in cluster.conf
>>>>>>>>>> cman_tool: corosync daemon didn't start Check cluster logs for
>>>>>>>>>> details
>>>>>>>>>>
>>>>>>>>>> [FAILED]
>>>>>>>>>> Stopping cluster:
>>>>>>>>>>      Leaving fence domain...                                 [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Stopping gfs_controld...                                [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Stopping dlm_controld...                                [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Stopping fenced...                                      [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Stopping cman...                                        [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Unloading kernel modules...                             [  OK
>>>>>>>>>> ]
>>>>>>>>>>      Unmounting configfs...                                  [  OK
>>>>>>>>>> ]
>>>>>>>>>> Aborting startup of Pacemaker Cluster Manager
>>>>>>>>>>
>>>>>>>>>> another one thing, according to the happened problem, I remove the
>>>>>>>>>> AAAA record from DNS for now and map it in to /etc/hosts files
>>>>>>>>>> instead, as shown below.
>>>>>>>>>>
>>>>>>>>>> /etc/hosts
>>>>>>>>>> ...
>>>>>>>>>> 2001:db8:0:1::1   node0.example.com
>>>>>>>>>> 2001:db8:0:1::2   node1.example.com
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>> Is there any configure that help me to got more log ?
>>>>>>>>>>
>>>>>>>>>> On Thu, Jul 10, 2014 at 5:06 AM, Andrew Beekhof
>>>>>>>>>> <andrew at beekhof.net>
>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 9 Jul 2014, at 9:15 pm, Teerapatr Kittiratanachai
>>>>>>>>>>> <maillist.tk at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Dear All,
>>>>>>>>>>>>
>>>>>>>>>>>> I has implemented the HA on dual stack servers,
>>>>>>>>>>>> Firstly, I doesn't deploy IPv6 record on DNS yet. The CMAN and
>>>>>>>>>>>> PACEMAKER can work as normal.
>>>>>>>>>>>> But, after I create AAAA record on DNS server, i found the error
>>>>>>>>>>>> that
>>>>>>>>>>>> cann't start CMAN.
>>>>>>>>>>>>
>>>>>>>>>>>> Are CMAN and PACEMAKER  support the IPv6?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> I don;t think pacemaker cares.
>>>>>>>>>>> What errors did you get?
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> 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
>>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> 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
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> 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
>>>>
>>>>
>>>>
>>>> _______________________________________________
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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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>>>
>>> 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
>
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> Bugs: http://bugs.clusterlabs.org

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