[Linux-cluster] Cluster environment issue

[Kaloyan Kovachev]

Hi,

On Tue, 7 Jun 2011 11:57:02 -0700 (PDT), Srija <swap_project at yahoo.com>
wrote:
> Hi Kaloyan
> 
>> --- On Fri, 6/3/11, Kaloyan Kovachev <kkovachev at varna.net>
>> wrote:
>> 
>>  > 
>> > to use broadcast (if private addresses are in the
>> same
>> > VLAN/subnet) you
>> > just need to set it in cluster.conf - cman section,
>> but not
>> > sure if it can
>> > be done on a running cluster (without stopping or
>> braking
>> > it)
> 
> 
> I have configured  the cluster in the lab (  with three nodes) and set
the
> broadcast. Here is the configuration --
> 
> <?xml version="1.0"?>
> <cluster alias="test" config_version="61" name="test">
>         <fence_daemon clean_start="0" post_fail_delay="0"
>         post_join_delay="3"/>
>         <clusternodes>
>                 <clusternode name="node1" nodeid="1" votes="1">
>                         <fence>
>                                 <method name="1">
>                                         <device name="ilo-node1"/>
>                                 </method>
>                         </fence>
>                 </clusternode>
>                 <clusternode name="node2" nodeid="2" votes="1">
>                         <fence>
>                                 <method name="1">
>                                         <device name="ilo-node2"/>
>                                 </method>
>                         </fence>
>                 </clusternode>
>                 <clusternode name="node3" nodeid="3" votes="1">
>                         <fence>
>                                 <method name="1">
>                                         <device name="ilo-node3"/>
>                                 </method>
>                         </fence>
>                 </clusternode>
>         </clusternodes>
> #---------------------------------------
>         <cman>
>           <totem broadcast="yes" ip="192.168.205.255"/>
>         </cman>

try to replace this with just <cman broadcast="yes"/>

> #---------------------------------------
> 
>         <fencedevices>
>                 <fencedevice agent="fence_ilo" hostname="node1r"
>                 login="Admin" name="ilo-node1r" passwd="xxx"/>
>                 <fencedevice agent="fence_ilo" hostname="node2r"
>                 login="Admin" name="ilo-node2r" passwd="xxx"/>
>                 <fencedevice agent="fence_ilo" hostname="node3r"
>                 login="Admin" name="ilo-node3r" passwd="xxx"/>
>         </fencedevices>
>         <rm>
>                 <failoverdomains/>
>                 <resources/>
>         </rm>
>         <dlm plock_ownership="1" plock_rate_limit="0"/>
>         <gfs_controld plock_rate_limit="0"/>
> </cluster>
> 
> 
> When I am executeing  the cman_tool status command  , getting the
> following output
> 
> [root  ~]# cman_tool status
> Version: 6.2.0
> Config Version: 61
> Cluster Name:  test
> Cluster Id: 25790
> Cluster Member: Yes
> Cluster Generation: 968
> Membership state: Cluster-Member
> Nodes: 3
> Expected votes: 3
> Total votes: 3
> Quorum: 2  
> Active subsystems: 7
> Flags: Dirty 
> Ports Bound: 0  
> Node name: node1
> Node ID: 1
> Multicast addresses: 239.192.xxx.xx 
> Node addresses: 192.168.205.1 
> 
> Would  you pl. confirm the broadcast  configuration!! 
> 
> Again ,in the following document
> 
> https://access.redhat.com/kb/docs/DOC-40821

unfortunately i can't access the document, but using broadcast is just to
confirm the problem is with multicast (like the script i've sent earlier).

> 
>  under Unsopported items/ Netowrking, it is telling that broadcast is
not
>  supportive...
> 
> Thanks and regards.
> 
> 
> 
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