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Re: [Linux-cluster] Using GFS without a network?



On Wed, 2005-09-07 at 07:29 -0400, Maykel Moya wrote:
> El mar, 06-09-2005 a las 20:06 -0400, Steve Wilcox escribió:
> > On Wed, 2005-09-07 at 00:57 +0200, Andreas Brosche wrote:
> > I set up a small 2 node cluster this way a while back, just as a testbed
> > for myself.  Much as I suspected, it was severely unstable because of
> > the storage configuration, even occasionally causing both nodes to crash
> > when one was rebooted due to SCSI bus resets.  I tore it down and
> > rebuilt it several times, configuring it as a simple failover cluster
> > with RHEL3 and RHEL4, a GFS cluster under RHEL4 and Fedora4, and as an
> > openSSI cluster using Fedora3.  All tested configurations were equally
> > crash-happy due to the bus resets.  
> 
> Could you share your cluster components config files ?
> 
> Regards
> maykel
> 

I didn't save any of my old config files - as I said, this was just a
small cluster for me to toy with.  Everything was fairly vanilla
generally speaking though.  Here's the config from the current setup, a
RHEL4 simple failover cluster without GFS (and currently with no
meaningful services).

<?xml version="1.0"?>
<cluster config_version="10" name="rh-clu">
        <fence_daemon clean_start="0" post_fail_delay="0"
post_join_delay="3"/>
        <clusternodes>
                <clusternode name="rh-clu01-ics" votes="1"/>
                <clusternode name="rh-clu02-ics" votes="1"/>
        </clusternodes>
        <cman expected_votes="1" two_node="1"/>
        <fencedevices>
                <fencedevice agent="fence_manual" name="human"/>
        </fencedevices>
        <rm>
                <failoverdomains>
                        <failoverdomain name="stuff" ordered="0"
restricted="0">
                                <failoverdomainnode name="rh-clu01-ics"
priority="1"/>
                                <failoverdomainnode name="rh-clu02-ics"
priority="1"/>
                        </failoverdomain>
                        <failoverdomain name="data" ordered="0"
restricted="0">
                                <failoverdomainnode name="rh-clu01-ics"
priority="1"/>
                                <failoverdomainnode name="rh-clu02-ics"
priority="1"/>
                        </failoverdomain>
                </failoverdomains>
                <resources>
                        <fs device="/dev/sdf1" fstype="ext3"
mountpoint="/stuff" name="stuff-fs"/>
                        <fs device="/dev/sde1" fstype="ext3"
mountpoint="/data" name="data-fs"/>
                        <ip address="10.8.204.105" monitor_link="1"/>
                </resources>
                <service autostart="1" domain="stuff" name="stuff">
                        <fs ref="stuff-fs"/>
                </service>
                <service autostart="1" domain="data" name="data">
                        <fs ref="data-fs"/>
                        <ip ref="10.8.204.105"/>
                </service>
        </rm>
</cluster>



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