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Re: [Linux-cluster] cluster.conf not updated



Sven Carstens wrote:
> Hi all,
> 
> this is a ubuntu-8.10 dual node cluster.
> 
> Starting the cluster by rebooting both nodes works ok.
> 
> But when I update the cluster.conf with ccs_tool update the
> update won't be noticed by cman until the next reboot.
> 
> 
> [node1/2]cman_tool status:
> ---------------------------------------
> Version: 6.1.0
> Config Version: 28
> Cluster Name: wmh_cluster
> Cluster Id: 33204
> Cluster Member: Yes
> Cluster Generation: 168
> Membership state: Cluster-Member
> Nodes: 2
> Expected votes: 1
> Total votes: 2
> Node votes: 1
> Quorum: 1
> Active subsystems: 12
> Flags: 2node
> Ports Bound: 0 11 177
> Node name: wmh01
> Node ID: X
> Multicast addresses: 239.192.129.54
> Node addresses: 192.168.123.X
> ---------------------------------------
> 
> [node1/2]ccs.log
> ---------------------------------------
> [CCS  ] Starting ccsd 2.99.09:
> [CCS  ]  Built: Aug 26 2008 14:44:29
> [CCS  ]  Copyright (C) Red Hat, Inc.  2004-2008  All rights reserved.
> [CCS  ] Unable to add to membership: No such device
> [CCS  ] Initial status:: Quorate
> ---------------------------------------
> 
> Then I update the cluster.conf to a new version where only the config_version
> value is incremented by one.
> 
> [node1] ccs_tool update /etc/cluster/cluster.conf_edit
> ---------------------------------------
> Config file updated from version 28 to 29
> 
> Update complete.
> ---------------------------------------
> 
> CCS on Node1 logs the configuration change. Node2 doesn't.
> ---------------------------------------
> [CCS  ] /etc/cluster/cluster.conf (cluster name = wmh_cluster, version = 28) found.
> [CCS  ] Update of /etc/cluster/cluster.conf complete (version 28 -> 29).
> ---------------------------------------
> On both nodes the file /etc/cluster/cluster.conf is updated to the
> new version.
> 
> 
> [node1/2]cman_tool status still shows the old version:
> ---------------------------------------
> Version: 6.1.0
> Config Version: 28
> Cluster Name: wmh_cluster
> Cluster Id: 33204
> Cluster Member: Yes
> Cluster Generation: 168
> Membership state: Cluster-Member
> Nodes: 2
> Expected votes: 1
> Total votes: 2
> Node votes: 1
> Quorum: 1
> Active subsystems: 12
> Flags: 2node
> Ports Bound: 0 11 177
> Node name: wmh02
> Node ID: X
> Multicast addresses: 239.192.129.54
> Node addresses: 192.168.123.X
> ---------------------------------------
> 
> Trying to force the configuration_version change with
> cman_tool version -r 29 doesn't change a thing.
> 
> After such an update the cluster is inoperable and clustat shows
> ---------------------------------------
> Timed out waiting for a response from Resource Group Manager
> Cluster Status for wmh_cluster @ Thu Dec 18 15:23:29 2008
> Member Status: Quorate
> 
>  Member Name                                                     ID   Status
>  ------ ----                                                     ---- ------
>  wmh01                                                               1 Online, Local
>  wmh02                                                               2 Online
> ---------------------------------------
> 
> I have a similar cluster up and running on ubuntu-8.04 which is running
> ccsd 2.0 (built Feb 27 2008 06:23:41)
> 
> Any hints was is going wrong here ?

It's hard to tell what's going on, You'll need to post the before after
cluster.conf file and say what you expect to see. Not all changes in
cluster.conf take effect on a running cluster.


Chrissie


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