[Linux-cluster] DLM error

[Andrew J. Forgue]

Andrew J. Forgue wrote:
> David Teigland wrote:
>   
>> On Wed, Jan 18, 2006 at 12:18:46PM -0500, Andrew J. Forgue wrote:
>>     
>>> I have a 2-node cluster (briscoe & mccoy) running RHEL4U2 with
>>> associated CVS sources that I compiled yesterday (from that branch) and
>>> I'm getting an error when starting CLVMd:
>>>
>>> "DLM: connect from non cluster node"
>>>       
>> Whatever IP the names in cluster.conf resolve to is what cman+dlm try to
>> use.  What does cman_tool nodes and status show?
>>
>> Dave
>>     
>
> Thanks Dave, 
>
> We created new hostnames for both machines (briscoe-i & mccoy-i) that
> resolve to their proper internal ip addresses.  However, clvmd still
> gets that message and then goes into "Ds" state.  Here's the output of
> cman_tool status from both nodes:
>
> ---
> [root at briscoe-i ~]# cman_tool nodes
> Node  Votes Exp Sts  Name
>    1    1    1   M   mccoy-i
>    2    1    1   M   briscoe-i
> ---
> [root at mccoy-i ~]# cman_tool status
> Protocol version: 5.0.1
> Config version: 20
> Cluster name: appsvr
> Cluster ID: 6602
> Cluster Member: Yes
> Membership state: Cluster-Member
> Nodes: 2
> Expected_votes: 1
> Total_votes: 2
> Quorum: 1
> Active subsystems: 3
> Node name: mccoy-i
> Node addresses: 10.0.3.11
> ---
> [root at briscoe-i ~]# cman_tool status
> Protocol version: 5.0.1
> Config version: 20
> Cluster name: appsvr
> Cluster ID: 6602
> Cluster Member: Yes
> Membership state: Cluster-Member
> Nodes: 2
> Expected_votes: 1
> Total_votes: 2
> Quorum: 1
> Active subsystems: 23
> Node name: briscoe-i
> Node addresses: 10.0.3.10
> ---
> --- DNS entries
> ---
> [root at briscoe-i ~]# host briscoe-i
> briscoe-i.sys.oakland.edu has address 10.0.3.10
> [root at briscoe-i ~]# host mccoy-i
> mccoy-i.sys.oakland.edu has address 10.0.3.11
> ---
> <?xml version="1.0"?>
> <cluster name="appsvr" config_version="20">
>         <cman two_node="1" expected_votes="1">
>         </cman>
>
>         <clusternodes>
>                 <clusternode name="briscoe-i">
>                         <fence>
>                                 <method name="drac">
>                                         <device name="drac_briscoe"/>
>                                 </method>
>                         </fence>
>                 </clusternode>
>                 <clusternode name="mccoy-i">
>                         <fence>
>                                 <method name="drac">
>                                         <device name="drac_mccoy"/>
>                                 </method>
>                         </fence>
>                 </clusternode>
>         </clusternodes>
>
>        ... Some RGmanager stuff ...
> </cluster>
> ---
> --- dmesg output
> ---
> ...
> CMAN: Waiting to join or form a Linux-cluster
> CMAN: forming a new cluster
> CMAN: quorum regained, resuming activity
> DLM <CVS> (built Jan 17 2006 14:10:23) installed
> dlm: connect from non cluster node
>
> So now I'm at a loss as the IP addresses match their hostnames in our
> DNS system now.
>
>    Andrew


Hi Guys,

We can ignore this, we figured it out.  The Load balancer was rewriting
the source IP address even when both nodes were on the same segment. 
Thanks for the help about checking IP addresses!

Andrew


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