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



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


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