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Re: [Linux-cluster] Fencing using brocade



Hi!

I can only recommend the system-config-cluster GUI, but if you feel brave enough you can do it by hand

This example is for a sanbox2, but it should get you going:
 
   ...
        <fence_daemon post_fail_delay="0" post_join_delay="3"/>
        <clusternodes>
                <clusternode name="clusty1" votes="1">
                        <fence>
                                <method name="1">
                                        <device name="sanbox" port="0"/>
                                </method>
                        </fence>
                </clusternode>
                <clusternode name="clusty2" votes="1">
                        <fence>
                                <method name="1">
                                        <device name="sanbox" port="1"/>
                                </method>
                        </fence>
                </clusternode>
                        ....
        </clusternodes>
        <fencedevices>
                <fencedevice agent="fence_sanbox2" ipaddr="xxx.xxx.xxx.xxx" login="username" name="sanbox" passwd="password"/>
        </fencedevices>
   ...

And don't forget to check the fence_brocade manpage for your brocade switch for further options...
       
       Cheers,

                Frank...

isplist logicore net wrote:
I want to use my brocade switch as the fencing device for my cluster. I
cannot find any documentation showing what I need to set up on the brocade
itself and within the cluster.conf file as well to make this work.
      

  
The system-config-cluster application supports brocade fencing. It is a
two part process - first you define the switch as a fence device; type
brocade, then you select a node an click "Manage fencing for this node"
and declare a fence instance.
    

Ah, I'm at the command line :). 

So, there is nothing I need to do on the brocade itself then? The cluster 
ports aren't connected directly, they are connected into a compaq hub, then 
the hub is connected into the brocade. The brocade seems to know about the 
external ports however since they are listed when I look on the switch.

As for the conf file, I've not found enough information on how to build a good 
conf file so know this one is probably not even complete. Been working on 
other parts of the problems then wanting to get to this.

<?xml version="1.0"?>
<cluster config_version="40" name="vgcomp">
    <fence_daemon clean_start="1" post_fail_delay="0" post_join_delay="3"/>
<clusternodes>
    <clusternode name="cweb92.companions.com" nodeid="92" votes="1"/>
    <clusternode name="cweb93.companions.com" nodeid="93" votes="1"/>
    <clusternode name="cweb94.companions.com" nodeid="94" votes="1"/>
    <clusternode name="dev.companions.com" nodeid="99" votes="1"/>
    <clusternode name="qm247.companions.com" nodeid="247" votes="1"/>
    <clusternode name="qm248.companions.com" nodeid="248" votes="1"/>
    <clusternode name="qm249.companions.com" nodeid="249" votes="1"/>
    <clusternode name="qm250.companions.com" nodeid="250" votes="1"/>
</clusternodes>
        <cman/>
<fencedevices>
    <fencedevice agent="fence_brocade" ipaddr="x.x.x.x" login="xxx" 
name="brocade" passwd="xxx"/>
</fencedevices>
        <rm>
                <failoverdomains/>
                <resources/>
        </rm>
</cluster>



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Frank Hellmann          Optical Art GmbH           Waterloohain 7a
DI Supervisor           http://www.opticalart.de   22769 Hamburg
frank opticalart de     Tel: ++49 40 5111051       Fax: ++49 40 43169199 

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