[Pacemaker] how to realize group with colocation?

Andrew Beekhof andrew at beekhof.net
Wed May 19 06:59:30 UTC 2010


Which part of

"web_start_0 failed with rc=6: Preventing web from re-starting
anywhere in the cluster"

Is not clear to you?

Have a look what rc=6 means:
   http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s-ocf-return-codes.html

2010/5/18 李森 <lisen1001 at gmail.com>:
> I failed my apache myself for testing.
>
> my problem is if the first resource in the group runs ok and the second
> resource in the group is failed, the whole group will not move to another
> host.
>
> I want to realise that if any of the resource in a group is failed, then the
> whole group is failed.and the whole group will move to another host.
>
> 在 2010年5月18日 下午2:45,Andrew Beekhof <andrew at beekhof.net>写道:
>>
>> "crm_verify -L" or "crm_mon" will point you in the right direction.
>> looks like apache isn't happy on vm2
>>
>> 2010/5/17 李森 <lisen1001 at gmail.com>:
>> > Thanks for you reply.
>> >
>> > 1.the version is 1.0.8 for heartbeat 3.0.2.
>> >
>> >
>> > 2.
>> > there are two nodes in my cluster : vm1 172.16.0.11  vm2 172.16.0.12
>> > the ip-aliase is 172.16.0.100
>> >
>> > i use the crm cli command to config:
>> > primitive ip-aliase ocf:heartbeat:IPaadr2 params ip="172.16.0.100" op
>> > monitor interval="5s"
>> > primitive web ocf:heartbeat:apache paramas
>> > configfile="/etc/apache2/apache2.conf" op monitor interval="5s"
>> > group  group1 ip-aliase web
>> > location cons1 group1 100:vm2
>> > location cons2 group  80: vm1
>> >
>> > 3.
>> >  the cibamin  output is in the attachment.
>> >
>> >
>> > 2010/5/17 Andrew Beekhof <andrew at beekhof.net>
>> >>
>> >> version? actual config? cibadmin output?
>> >>
>> >> On Mon, May 17, 2010 at 9:14 AM, 李森 <lisen1001 at gmail.com> wrote:
>> >> > hi all:
>> >> >
>> >> >        I create a group with two resources:
>> >> >
>> >> > group1:
>> >> >             ip-aliase
>> >> >             apache
>> >> >
>> >> >        my cluster has two nodes:
>> >> >
>> >> > crm(live)# configure
>> >> > crm(live)configure# property symmetric-cluster=false
>> >> > crm(live)configure# location constrain1 group1 200: host1
>> >> > crm(live)configure# location constrain2 group2 100: host2
>> >> >
>> >> > #################
>> >> >
>> >> > my problem is when the ip-aliase runs ok and the apache is failed,the
>> >> > group1
>> >> > can't move to host2:
>> >> >
>> >> > Onlien [ host1 host2]
>> >> >
>> >> > Resource Group: group1
>> >> >          ip-aliase                Started host1
>> >> >          apache                  Stoppped
>> >> >
>> >> > i want to realise that if one of the resources in a group is
>> >> > failed,then
>> >> > the
>> >> > group is failed and move to another node in the cluster.
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > 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
>> >> >
>> >>
>> >> _______________________________________________
>> >> 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
>> >
>> > _______________________________________________
>> > 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
>> >
>>
>> _______________________________________________
>> 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
>
> _______________________________________________
> 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
>




More information about the Pacemaker mailing list