[Linux-cluster] fence gnbd doesn't works as expected

[carlopmart]

Hi all,

  I have already installed two nodes cluster using gnbd as a fence device. When 
tow nodes comes up at the same time all works ok, but when only I need to start 
only one node, GFS doesn't mounts because fence device doesn't works. Error is:

Mounting GFS filesystems:  /sbin/mount.gfs: lock_dlm_join: gfs_controld join 
error: -22
/sbin/mount.gfs: error mounting lockproto lock_dlm.

I am using a third server as GNBD server wihout serving disks. Why this doesn't 
works?? Perhaps do I need quorum disk??

My cluster.conf:

<?xml version="1.0"?>
<cluster alias="XenDomUcluster" config_version="3" name="XenDomUcluster">
         <fence_daemon post_fail_delay="0" post_join_delay="3"/>
         <clusternodes>
                 <clusternode name="node01.hpulabs.org" nodeid="1" votes="1">
                         <fence>
                                 <method name="1">
                                         <device name="gnbd-fence" 
nodename="node01.hpulabs.org"/>
                                 </method>
                         </fence>
                         <multicast addr="239.192.75.55" interface="eth0"/>
                 </clusternode>
                 <clusternode name="node02.hpulabs.org" nodeid="2" votes="1">
                         <fence>
                                 <method name="1">
                                         <device name="gnbd-fence" 
nodename="node02.hpulabs.org"/>
                                 </method>
                         </fence>
                         <multicast addr="239.192.75.55" interface="eth0"/>
                 </clusternode>
         </clusternodes>
         <cman expected_votes="1" two_node="1">
                 <multicast addr="239.192.75.55"/>
         </cman>
         <fencedevices>
                 <fencedevice agent="fence_gnbd" name="gnbd-fence" 
servers="gnbdserv.hpulabs.org"/>
         </fencedevices>
         <rm log_facility="local4" log_level="7">
                 <failoverdomains>
                         <failoverdomain name="PriCluster" ordered="1" 
restricted="1">
                                 <failoverdomainnode name="node01.hpulabs.org" 
priority="1"/>
                                 <failoverdomainnode name="node02.hpulabs.org" 
priority="2"/>
                         </failoverdomain>
                         <failoverdomain name="SecCluster" ordered="1" 
restricted="1">
                                 <failoverdomainnode name="node02.hpulabs.org" 
priority="1"/>
                                 <failoverdomainnode name="node01.hpulabs.org" 
priority="2"/>
                         </failoverdomain>
                 </failoverdomains>
                 <resources>
                         <ip address="172.25.50.11" monitor_link="1"/>
                         <ip address="172.25.50.12" monitor_link="1"/>
                         <ip address="172.25.50.13" monitor_link="1"/>
                         <ip address="172.25.50.14" monitor_link="1"/>
                         <ip address="172.25.50.15" monitor_link="1"/>
                         <ip address="172.25.50.16" monitor_link="1"/>
                         <ip address="172.25.50.17" monitor_link="1"/>
                         <ip address="172.25.50.18" monitor_link="1"/>
			<ip address="172.25.50.19" monitor_link="1"/>
                         <ip address="172.25.50.20" monitor_link="1"/>
                 </resources>
                 <service autostart="1" domain="PriCluster" name="rsync-svc" 
recovery="relocate">
                         <ip ref="172.25.50.11">
                                 <script 
file="/data/cfgcluster/etc/init.d/rsyncd" name="rsyncd"/>
                         </ip>
                 </service>
                 <service autostart="1" domain="SecCluster" name="wwwsoft-svc" 
recovery="relocate">
                         <ip ref="172.25.50.12">
                                 <script 
file="/data/cfgcluster/etc/init.d/httpd-mirror" name="httpd-mirror"/>
                         </ip>
                 </service>
                 <service autostart="1" domain="PriCluster" name="proxy-svc" 
recovery="relocate">
                         <ip ref="172.25.50.13">
                                 <script 
file="/data/cfgcluster/etc/init.d/squid" name="squid"/>
                         </ip>
                 </service>
                 <service autostart="1" domain="SecCluster" name="mail-svc" 
recovery="relocate">
                         <ip ref="172.25.50.14">
                                 <script 
file="/data/cfgcluster/etc/init.d/postfix-cluster" name="postfix-cluster"/>
                         </ip>
                 </service>
         </rm>
</cluster>
-- 
CL Martinez
carlopmart {at} gmail {d0t} com