[Pacemaker] CMAN and Pacemaker

[Andreas Kurz]

Hello,

On 12/24/2011 09:13 AM, Fil wrote:
> Hi everyone,
> 
> Happy holidays!
> 
> I need some help with adding CMAN to my current cluster config.
> Currently I have a two node Corosync/Pacemaker (Active/Passive) cluster.
> It works as expected. Now I need to add a distributed filesystem to my
> setup. I would like to test GFS2. As much as I understand I need to
> setup CMAN to manage dlm/gfs_controld, am I correct? I have followed the
> Clusters_from_Scratch document but I am having issues starting
> pacemakerd once the cman is up and running. Is it possible to use
> dlm/gfs_controld without cman, directly from pacemaker? How do I strat
> pacemaker when CMAN is running, and do I even need to, and if not how do
> I manage my resources? Currently I am using:
> 
> Fedora 16
> corosync-1.4.2-1.fc16.x86_64
> pacemaker-1.1.6-4.fc16.x86_64
> cman-3.1.7-1.fc16.x86_64

Only start cman service -- not corosync -- and then start pacemaker
service, that should be enough. What is the error you get when starting
pacemaker via its init script?

Regards,
Andreas

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

> 
> Thanks
> filip
> 
> cluster.conf
> -------------
> <?xml version="1.0"?>
> <cluster config_version="3" name="adriatic">
>   <logging debug="on"/>
>   <clusternodes>
>     <clusternode name="server01" nodeid="1">
>       <altname name="server01.stor" port="5405" mcast="226.94.1.1"/>
>       <fence>
>         <method name="pcmk-redirect">
>           <device name="pcmk" port="server01"/>
>         </method>
>       </fence>
>     </clusternode>
>     <clusternode name="server02" nodeid="2">
>       <altname name="server02.stor" port="5405" mcast="226.94.1.1"/>
>       <fence>
>         <method name="pcmk-redirect">
>           <device name="pcmk" port="server02"/>
>         </method>
>       </fence>
>     </clusternode>
>   </clusternodes>
>   <fencedevices>
>     <fencedevice name="pcmk" agent="fence_pcmk"/>
>   </fencedevices>
>   <cman two_node="1" expected_votes="1">
>     <multicast addr="226.94.1.2"/>
>   </cman>
> </cluster>
> 
> 
> corosync.conf
> --------------
> compatibility: whitetank
> 
> totem {
>         version: 2
>         secauth: off
>         threads: 0
>         rrp_mode: passive
> 
>         interface {
>                 ringnumber: 0
>                 bindnetaddr: 192.168.10.0
>                 mcastaddr: 226.94.1.1
>                 mcastport: 5405
>         }
> }
> 
> logging {
>         fileline: off
>         to_stderr: no
>         to_logfile: yes
>         to_syslog: yes
>         logfile: /var/log/cluster/corosync.log
>         debug: off
>         timestamp: on
> }
> 
> amf {
>         mode: disabled
> }
> 
> pacemaker conf
> --------------
> node server01 \
> 	attributes standby="off"
> node server02 \
> 	attributes standby="off"
> primitive scsi_reservation ocf:adriatic:sg_persist \
> 	params sg_persist_resource="scsi_reservation0"
> devs="/dev/disk/by-path/ip-192.168.10.5:3260-iscsi-iqn.2004-04.com.qnap:ts-459proii:iscsi.test.cb4d16-lun-0"
> required_devs_nof="1" reservation_type="1" \
> 	op start interval="0" timeout="30s" \
> 	op stop interval="0" timeout="30s"
> primitive vm_test ocf:adriatic:VirtualDomain \
> 	params config="/etc/libvirt/qemu/test.xml" hypervisor="qemu:///system"
> migration_transport="tcp" \
> 	meta allow-migrate="true" is-managed="true" target-role="Stopped" \
> 	op start interval="0" timeout="120s" \
> 	op stop interval="0" timeout="120s" \
> 	op migrate_from interval="0" timeout="120s" \
> 	op migrate_to interval="0" timeout="120s" \
> 	op monitor interval="10" timeout="30" depth="0" \
> 	utilization cpu="1" hv_memory="1024"
> ms ms_scsi_reservation scsi_reservation \
> 	meta master-max="1" master-node-max="1" clone-max="2"
> clone-node-max="1" notify="true" migration-threshold="1"
> allow-migrate="true" globally-unique="false" target-role="Stopped"
> location cli-prefer-vm_test vm_test \
> 	rule $id="cli-prefer-rule-vm_test" inf: #uname eq server02
> colocation service_on_scsi_reservation inf: vm_test
> ms_scsi_reservation:Master
> order service_after_scsi_reservation inf: ms_scsi_reservation:promote
> vm_test:start
> property $id="cib-bootstrap-options" \
> 	dc-version="1.1.6-4.fc16-89678d4947c5bd466e2f31acd58ea4e1edb854d5" \
> 	cluster-infrastructure="openais" \
> 	expected-quorum-votes="2" \
> 	stonith-enabled="false" \
> 	no-quorum-policy="ignore" \
> 	default-resource-stickiness="0" \
> 	last-lrm-refresh="1324069959"
> 
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> 
> Project Home: http://www.clusterlabs.org
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